Devices that regulate the flow of gases, liquids, or loose materials through piping by opening, closing, or obstructing ports or passageways.

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Ball Valves (2,058 suppliers)

Ball valves provide tight shut-off and characterizable control. They have high rangeability due to the design of the regulating element and few complications from side loads typical of butterfly or globe valves.
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Butterfly Valves (1,223 suppliers)

Butterfly valves control flow through a circular disc or vane by turning the valve's pivot axis at right angles to the direction of flow in the pipe. They are normally used as throttling valves to control flow.
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Check Valves (1,929 suppliers)

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. 
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Diaphragm Valves (418 suppliers)

Diaphragm valves close by means of a flexible diaphragm attached to a compressor.
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Diverter Valves (273 suppliers)

Diverter valves direct flow from one inlet to one of two or more outlets.
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Drain Valves (172 suppliers)

Drain valves are designed to automatically remove liquids from process lines as necessary.
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Gas Valves (518 suppliers)

Gas valves are used to handle and control the flow of gaseous media such as liquefied petroleum and natural gas. They are made of metal or plastic and vary in terms of valve size, pressure rating, number of ports, and flow.
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Gate Valves (1,153 suppliers)

Gate valves and knife valves are linear motion valves in which a flat closure element slides into the media stream to shut off flow.
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Globe Valves (769 suppliers)

Globe valves are linear motion valves with rounded bodies, from which their name is derived.  They are widely used in industry to regulate fluid flow in both on/off and throttling service. 
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Mixing Valves (191 suppliers)

Mixing valves combine the flow of two or more inlets into a single outlet for applications such as temperature and concentration control.
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Plastic Valves (341 suppliers)

Plastic valves are made from plastic materials and are used in applications that require corrosion resistance and/or chemical handling.
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Plug Valves (455 suppliers)

Quarter-turn plug valves use a cylindrical or tapered plug with a hole in the center to control straight through flow when in the open position.
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Pressure Relief Valves (990 suppliers)

Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line.
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Steam Valves (254 suppliers)

Steam valves are used to control the flow and pressure level of steam and heated water vapor.
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Water Valves (574 suppliers)

Water valves are designed to handle and control hot water, cold water, ground water, potable water, salt water and/or wastewater. They are made from metal or plastic.
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