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Your choices are...
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Flow Control
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Valves designed to maintain downstream flow.
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Pressure Control
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Valves designed to maintain constant downstream pressure.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Valve Type
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Your choices are...
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Ball Valves
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Ball valves provide tight shut-off and characterizable control. They have high rangeability due to the design of the regulating element, without the complications of side loads typical of butterfly or globe valves. Advantages include ease of operation and high flow, high pressure, and high temperature capabilities. Disadvantages include low cleanliness and an inability to handle slurries.
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Balancing Valves
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Balancing valves are mixing valves that maintain a constant water temperature by balancing hot and cold supply lines. They are able to compensate for a pressure drop in either supply line and can maintain a consistent temperature. Balancing valves are sometimes referred to as pressure-balancing valves.
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Bellows Valves
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Bellows valves have a bellows seal between the media and the valve's bonnet. Bellows valves provide a contaminant-free, positive shut-off for high purity gas / fluid systems.
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Butterfly Valves
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Butterfly valves control the flow of gas or liquid with a disk which turns on a diametrical axis inside a pipe, or by two semicircular plates hinged on a common spindle, permitting flow in only one direction. They are used as throttling valves to control flow. Butterfly valves offer a rotary stem movement of 90 degrees or less in a compact design. Unlike ball valves, butterfly valves do not have pockets in which fluids may become trapped when the valve is closed. Advantages include suitability for chemical services, small dimensions, and high coefficient of flow.
Disadvantages include low cleanliness and the inability to handle slurries.
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Cartridge / Manifold Valves
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Cartridge valves are directional control valves that are inserted into manifolds to provide a cost effective compact system design.
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Clamshell / Bin Gate
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Clamshell or bin gate valves are used to cutoff, restrict or control the flow of solids with a disc or gate that swings across the flow path. Some solids valves use inflatable sealing elements to reduce wear while maintaining a good seal. These valves are referred to by a number of names, including swing gate valves, rolling blade gate valves spherical disc valves, and double or single clamshell valves.
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Diaphragm Valves
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Diaphragm valves are related to pinch valves, but use an elastomeric diaphragm instead of an elastomeric liner to separate the flow stream from the closure element. Instead of pinching the liner closed to provide shut-off, the diaphragm is pushed into contact with the bottom of the valve body. Diaphragm valves are excellent for controlling the flow of fluids which contain suspended solids. They also offer the flexibility of installation in any position. Diaphragm valves are used widely in the pharmaceutical, food processing, and water treatment industries. Advantages include cleanliness and tight shut-off. Disadvantages include low pressure and temperature limits, and multi-turn operation.
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Double Flap Airlock / Flap
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Double flap airlocks, flap valves, louver-type dampers, two-way flap valves, double butterfly valves are used to shut-off the flow of bulk material. The flaps can open sequentially to maintain the airlock between the hopper and conveyor or process unit.
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Directional Valves
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Directional valves direct or prevent flow through selected passages.
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Diverter Valves
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Diverter valves change the direction of the flow of a medium to two or more different directions.
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Drain Valves
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Drain valves allow the removal of surplus fluid from a system or container.
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Gate / Knife Valves
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Gate or knife valves are linear motion valves in which a flat closure element slides into the flow stream to provide shut-off. Gate valves are usually divided into two types: parallel and wedge-shaped. The parallel gate valve uses a flat disc gate between two parallel seats, upstream and downstream. Knife valves are of this type, but with a sharp edge on the bottom of the gate to shear entrained solids or separate slurries. Advantages include the ability to cut through slurries. Large sizes are commonly available. Disadvantages include pressure limitations,
lack of cleanliness, and low shut-off.
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Globe Valves
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Globe valves are linear motion valves with rounded bodies, from which their name is derived. They are used widely in industry to regulate fluid flow in both on/off and throttling service. Advantages include precise throttling and control, as well as high-pressure limits. Disadvantages include low cleanliness and the inability to handle slurry.
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Iris Valves
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Iris valves function like the iris mechanism in a camera. As the valve closes, the material is pushed out of the way. On some iris valves, the mechanical components are enclosed in a flexible sleeve to protect against the ingress of particles.
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Mixing Valves
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Mixing valves combine the flows of two or more inlets into a single outlet for applications such as temperature or concentration control.
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Needle Valves
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Needle valves have a slender, tapered point at the end of the valve stem that is lowered through the seat to restrict or block flow. Fluid flowing through the valve turns 90 degrees and passes through an orifice that is the seat for a rod with a cone shaped tip. These small valves are widely used to accurately regulate the flow of liquids and gases at low flow rates. The fine threading of the stem and the large seat area allow for precise resistance to flow. Advantages: Precise control. Disadvantages: low-pressure limitations, no slurries.
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Pinch Valves
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Pinch valves include any valve with a flexible elastomer body that can be pinched closed, cutting off flow, using a mechanism or fluid pressure. Pinch valves are full bore, linear action valves so they can be used in both an off/on manner or in a variable position or throttling service. Some typical applications for pinch valves are medical, pharmaceutical, wastewater, slurries, pulp, powder and pellets. They can effectively control the flow of both abrasives and corrosives, as there is no contact between metal parts and the transport media.
Advantages: Streamlined flow, high coefficient of flow. Disadvantages: limited materials, low shut-off capabilities, low pressure limits.
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Plug Valves
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Plug valves, also called cock or stop-cock valves, date back to ancient times, where they were developed for use in citywide Roman plumbing systems. Today, they remain one of the most widely used valves for both on/off and throttling services. Their design is fairly simple; the body is comprised of three main parts: body, cover and plug. The plug is a cylindrical, tapered, or generally cone-shaped device that can be raised or lowered within the seat to maintain, restrict or completely shut off flow. The valve is opened by rotation with the plug itself being the only element that is capable of movement. Advantages: Easy operation, medium to high flow, good shut off. Disadvantages: Low cleanliness, inability to handle slurry.
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Poppet Valves
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Poppet valves open and close ports with a sealing device composed of a disk, cone or sphere that is pressed against the seating surface using a spring.
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Pressure Relief Valves
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Pressure relief valves are self-actuated safety valves designed to relieve excess upstream pressure from the line.
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Sanitary / Hygienic Valves
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Sanitary and hygienic valves are used in aseptic applications in the dairy, brewing, beverage, pharmaceutical and bio-chemical industries.
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Servo Valves
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Servo valves provide closed loop flow or pressure response to an electrical or electronic control signal. They are used in air, gas, and liquid applications.
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Solenoid Valves
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Solenoid valves are electro-mechanical devices that utilize a solenoid to control valve activation.
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Spool Valves
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Spool valves use a rotary or piston-like spool for actuation. The spool, or spools, rotate or slide back and forth to block and uncover ports in the housing.
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Toggle Valves
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Toggle valves are used for on-off control in moderate pressure and temperature applications. They feature a toggle mechanism for valve actuation.
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Other
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Other unlisted valve technology.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Actuation
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Your choices are...
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Electric
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An electric actuator activates the valve.
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Electro-hydraulic
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A servo valve that produces hydraulic control in response to an electrical signal input.
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Electro-pneumatic
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A servo valve that produces pneumatic control in response to an electrical signal input.
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Pneumatic
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The valve is activated by a pneumatic actuator or cylinder to open and close valve.
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Thermally Actuated
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The valve is activated by a change in temperature in the handled media. Typically, temperature and pressure relief occurs once a preset temperature is reached.
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Other
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Other unlisted, specialized, or proprietary actuation method.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Severe Service Rated
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The valve is designated by manufacturer as being suitable for severe service applications where there are continuing operational, maintenance or reliability issues with a given application.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Your choices are...
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General Industrial
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Valves for general use and not designed around a specific application or industry.
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Aerospace / Defense
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Designated by manufacturer as being applicable and built to military specifications (MIL-SPEC). Covers aircraft, the military, equipment and supplies, as well as space, aerospace, medical and more.
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Agriculture / Horticulture
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Designated by manufacturer as being applicable to the agricultural or horticultural industry. Establishments primarily engaged in the cultivation of soil and crops and the raising of livestock.
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Refrigeration
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Designated by manufacturer as being suitable for use in refrigeration applications.
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Automotive
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Designated by manufacturer as being applicable to the automotive industry. Includes vehicle and parts manufacturers, dealers and aftermarket services in the automotive sector.
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Commercial
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Valves constructed for basic commercial uses.
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Construction
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Designated by manufacturer as being applicable to needs within the construction industry.
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Cryogenic
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Designated by manufacturer as being applicable to extreme cold applications such as for liquid gas and refrigerants.
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Fire Service
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Designated by manufacturer as being applicable for use in fire service or fire fighting applications.
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Flood Control
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Designated by manufacturer as being applicable for flood control applications.
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Food Service
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Designated by manufacturer as being applicable and built for food service applications.
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Food Processing
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Designated by manufacturer as being applicable and built for food processing applications.
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HVAC
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Designated by manufacturer as being applicable to the heating, air conditioning, and ventilation industry.
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Irrigation
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Designated by manufacturer as being applicable for use in irrigation applications.
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Machine Tool
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Designated by manufacturer as being applicable for use within or around machine tools.
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Maritime
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Designated by manufacturer as being applicable to the maritime or marine industry.
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Medical / Laboratory
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Designated by manufacturer as being applicable to the medical industry.
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Mining
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Designated by manufacturer as being applicable to the mining industry.
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Municipal
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Designated by manufacturer as being applicable to use by municipal agencies.
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OEM Supply
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Designated by manufacturer as being applicable to supplying components as an OEM supplier.
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Oil and Gas Production
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Designated by manufacturer as being applicable for oil and gas production.
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Pharmaceutical / Biotechnology
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Designated by manufacturer as being applicable to the pharmaceutical and biotechnology industries. Producers of organic and inorganic medicinal substances for human or veterinary use.
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Plumbing / Waterway
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Designated by manufacturer as being suitable for plumbing and other water supply applications.
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Power Gen / Nuclear
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Designated by manufacturer as being applicable to the power generation industry.
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Pulp and Paper
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Designated by manufacturer as being applicable to the pulp and paper industry.
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Recreational
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Designated by manufacturer as being applicable for use within the recreational products industry.
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Semiconductor
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Designated by manufacturer as being applicable to the semiconductor industry.
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Other
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Other unlisted or specialized industry or market segment.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Valve Size
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Valve size is the designated size of the valve by manufacturer. This typically represents the size of the passage opening.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Pressure Rating
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Maximum safe pressure value for which the valve is rated.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Number of Ports/Ways
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Represents the number of connections or inlet / outlet ports to the valve.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Metal Seated
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Valves with metal seats are designed for severe applications such as high pressure and or temperature. Seats can be made of various materials such as carbon and stainless steel to withstand the demanding applications.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Connection
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Your choices are...
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Threaded
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The valve has internal or external threads for inlet or outlet connection(s).
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Compression Fitting
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A sealed pipe connection without soldering or threading. As the nut on one fitting is tightened, it compresses a washer around the second pipe, forming a watertight closure.
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Bolt Flange
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The valve has a bolt flange(s) for inlet or outlet connection.
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Clamp Flange
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The valve has a clamp flange(s) for inlet or outlet connection.
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Union
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The valve has a union connection for inlet or outlet connection(s).
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Tube Fitting
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The valve has a connection for directly joining tubing at the inlet and/or outlet connections.
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Butt Weld
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The valve has a butt weld sized connection for inlet or outlet connection.
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Socket Weld / Solder
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The valve has a socket weld connection for inlet or outlet connection.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Media Temperature
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Maximum temperature of media the valve is designed to accommodate.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Flow (Cv)
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The valve flow coefficient is the number of U.S. gallons per minute of 60 degree F water that will flow through a valve at a specified opening with a pressure drop of 1 psi across the valve. It is used to predict flow rates.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Unpowered State
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Your choices are...
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Normally Open
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Normally open valves are open, allowing flow, when the solenoid is not energized.
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Normally Closed
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Normally closed valves are closed, blocking flow, when the solenoid is not energized.
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Search Logic:
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|
All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Metals
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Your choices are...
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Aluminum
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Aluminum is a bluish silver-white malleable ductile light trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.
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Brass / Bronze
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Brass comes with good strength, excellent high temperature ductility and reasonable cold ductility, good conductivity, excellent corrosion resistance, good bearing properties and low magnetic permeability. Sintered bronze is a porous material, which can be impregnated with oil, graphite or PTFE. Not suitable for heavily loaded applications but useful where lubrication is inconvenient.
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Cast Iron
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The term "cast iron" refers not to a single material, but to a family of materials whose major constituent is iron, with important trace amounts of carbon and silicon. Cast irons are natural composite materials whose properties are determined by their microstructures - the stable and metastable phases formed during solidification or subsequent heat treatment. The major microstructural constituents of cast irons are: the chemical and morphological forms taken by carbon, and the continuous metal matrix in which the carbon and/or carbide are dispersed.
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Ductile Iron
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Ductile iron retains cast iron's machinability and corrosion-resistance, and provides additional strength, toughness, and ductility. Although it’s chemical properties are similar to those of cast iron, ductile iron incorporates significant casting refinements, additional metallurgical processes, and superior quality control.
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Copper
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A common reddish metallic element that is ductile and malleable and is one of the best conductors of heat and electricity.
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Stainless Steel
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Stainless steel is chemical and corrosion resistant and can have relatively high-pressure ratings.
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Steel
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Steel is a commercial iron that contains carbon in any amount up to about 1.7 percent as an essential alloying constituent. It is malleable when under suitable conditions, and is distinguished from cast iron by its malleability and lower carbon content.
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Other Metal
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Other unlisted, specialized, or proprietary metal material.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Plastics:
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Please consult the manufacturer of the valve for specific properties of the materials used in the valve.
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Your choices are...
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Acetal
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Acetal polymers are semi-crystalline. They offer excellent inherent lubricity, fatigue resistance, and chemical resistance. Acetals suffer from outgassing problems at elevated temperatures, and are brittle at low temperatures. Glass filled, and added lubrication grades are available, flame-retardant grades are not. Brand names include Celcon® (Hoechst Celanese), Delrin® (Dupont), Thermocomp® (LNP), Ultraform® (BASF), and Acetron® (DSM).
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PVC
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Polyvinyl Chloride (PVC) is a widely used material that has good flexibility, smooth surface, and nontoxic qualities. Some grades are used in food and chemical processes due to the inert nature of PVC. Brand names include: ACP® and Dural® (Alpha Gary), Geon® (Geon), Benvic® (Solvay), Flexalloy® (Teknor Apex).
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CPVC
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Chlorinated polyvinyl chloride (CPC) a higher type grade of plastic commonly used for hot / cold water distribution, sprinkler piping, and some chemicals. Suitable for high temperatures.
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PTFE - Teflon®
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Polytetrafluoroethylene (PTFE) is an insoluble compound that exhibits a high degree of chemical resistance and a low coefficient of friction. It is sometimes marketed in proprietary classes of materials such as Teflon®, a registered trademark of DuPont Dow Elastomers.
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Polyethylene (PE)
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Commodity thermoplastic that is soft, flexible and tough - even at low temperatures - with outstanding electrical properties but poor temperature resistance. It also has very good chemical resistance but is prone to environmental stress cracking; it has poor UV resistance (unless modified) and poor barrier properties, except to water.
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Polypropylene (PP)
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Polypropylene is a thermoplastic material exhibiting excellent cold flow, bi-axial strength, and yield elongation properties. It is similar to PVC but can be used in exposed applications because of its resistance to UV, weathering, and ozone.
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PVDF
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Polyvinylidene fluoride (PVDF) is a melt processable fluoropolymer. It is similar in properties to other fluoropolymer, but has better strength and lower creep than the other members of this family. PVDF has good wear resistance, and excellent chemical resistance. But does not perform well at elevated temperatures. Brand names include: Kynar® (Elf AtoChem).
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Other Plastic
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Other unlisted, specialized, or proprietary plastic material.
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| |
Search Logic:
|
|
All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Your choices are...
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General Purpose
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Valves that cover a variety of general industrial medias.
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Air
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The valve can handle all types of non-pressurized air.
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Compressed Air
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Air that is under a pressure greater than atmosphere.
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Water
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Any type of water.
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Hot Water
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Water that has been heated.
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Cold Water
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Unheated water to cool.
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Ground Water
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Untreated water that is found on or collects freely on the ground.
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Potable Water
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Water that is considered safe and fit for human consumption, culinary and domestic purposes and meets the requirements of the health authority having jurisdiction.
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Salt Water
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Water that has a high concentration of salt, often from the ocean or sea.
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Wastewater
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The spent or used water of a community or industry that contains dissolved and suspended matter.
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Gas
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Any type of gas, although generally excluding air.
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Gasoline / Diesel Fuel
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A mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used as a fuel for internal-combustion engines.
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High Purity Gas
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Designated by manufacturer as being applicable and built for high purity applications - includes nitrogen, argon, oxygen, hydrogen, and H.P. mixtures.
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LP - Gas
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Liquefied petroleum is a gas containing specific hydrocarbons that are gaseous under normal atmospheric conditions, but can be liquefied under moderate pressure and temperatures. Propane and butane are examples.
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Natural Gas
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Liquid hydrocarbon mixtures that are gaseous at reservoir temperatures and pressures but are recoverable by condensation or absorption. Natural gasoline and liquefied petroleum gases fall in this category.
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Sour Gas
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Hydrogen sulfide (H2S) laden gas.
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Specialty / Corrosive Gases
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Specialty corrosive gases.
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Abrasive Material
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Substances that abrade or wear down.
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Acids / Corrosive Chemicals
|
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Substances with distinct molecular compositions that are produced by, or used in, a chemical process, or have a high concentration of acid.
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Adhesives
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Substances capable of holding materials together by surface attachment.
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Concrete / Grout
|
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Concrete is a building material created by combining a mineral (which is usually sand, gravel, or crushed stone) a binding agent (natural or synthetic cement), chemical additives, and water.
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Coolants
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Media that produces cooling, especially a fluid that draws heat away by circulating through an engine or by bathing a mechanical part.
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Hazardous Materials
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Substances capable of posing a risk to health, safety, or to property.
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| |
High Viscosity Fluids
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Typical results from this selection will yield products that have been designated by the manufacturer to handle thick liquid materials. Typically over 100,000 cps.
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Hydraulic Fluid
|
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Fluid serving as the power transmission medium in a hydraulic system. The most commonly used fluids are petroleum oils, synthetic lubricants, oil-water emulsions, and water-glycol mixtures.
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Liquid Metal
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Metal heated so that is in a liquid state.
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Lubricants
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A substance, such as grease or oil, which reduces friction when applied as a surface coating to moving parts.
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Oil
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Any of many mineral, vegetable, and synthetic substances and animal and vegetable fats that are generally slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents such as ether but not in water, and used in a great variety of products, especially lubricants and fuels.
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Powder / Solids
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Media in solid or powder state.
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Rendering Wastes
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Wastes from food processing.
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Sludge
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Solid matter produced by water and sewage treatment processes.
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Slurry / Ash Slurry
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A watery mixture of insoluble matter.
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Steam
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Water in a gaseous state at a temperature above its boiling point.
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Other
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Other unlisted, specialized, or proprietary media.
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| |
Search Logic:
|
|
All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Your choices are...
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Position Indicator
|
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The valve has a device to indicate the degree of actuation or open and closed positions.
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| |
Precision Control
|
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The valve has the ability to accurately control the flow or pressure.
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| |
Intrinsically Safe
|
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Intrinsically safe products electrical power usage is below the level of power required to set off an explosion within a given hazardous area. Intrinsically safe products are incapable of storing large amounts of energy that might spark an explosion when discharged.
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| |
Analog Control
|
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An analog control changes value in non-discrete steps. Example: 4-20mA, +/- 10 volts
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| |
Digital Interface
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The valve accepts discrete (on-off) input signals and provides proportional control output.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Your choices are...
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API
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Meets American Petroleum Institute (API) Standards
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ASME
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Meets American Society of Mechanical Engineers (ASME) standards.
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AWWA
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Meets American Water Works Association Certified (AWWA).
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DIN
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Conforms to a DIN standard of configuration.
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ISO
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Meets International Organization for Standardization requirements.
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NSF
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Meets National Sanitation Federation (NSF) standards.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Part Numbers for Control Valves
| Part # |
Distributor |
Manufacturer |
Product Category |
Description |
| 2003VA32223 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2003VA32230 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2003VA32231 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2003VA42230 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2003VA42231 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2004VA32223 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2004VA32230 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2004VA32231 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2004VA32233 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
| 2004VA42223 |
PLC Radwell |
DWYER
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Not Provided
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PNEUMATIC CONTROL VALVES |
More >>
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