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Category: Valve
Valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category. In an open valve, fluid flows in a direction from higher pressure to lower pressure. The word is derived from the Latin valva, the moving part of a door, in turn from volvere, to turn, roll.
The simplest, and very ancient, valve is simply a freely hinged flap which swings down to obstruct fluid (gas or liquid) flow in one direction, but is pushed up by the flow itself when the flow is moving in the opposite direction. This is called a check valve, as it prevents or “checks” the flow in one direction. Modern control valves may regulate pressure or flow downstream and operate on sophisticated automation systems.
Valves have many uses, including controlling water for irrigation, industrial uses for controlling processes, residential uses such as on/off and pressure control to dish and clothes washers and taps in the home. Even aerosol spray cans have a tiny valve built in. Valves are also used in the military and transport sectors. In HVAC ductwork and other near-atmospheric air flows, valves are instead called dampers. In compressed air systems, however, valves are used with the most common type being ball valves.
Burkert 6212 Diaphragm Valve 2/2 Way
Burkert Type 6212 Diaphragm Valve with servo-diaphragm and 3-way
Valveworks USA for Oil and Gas Industry
Valveworks USA is a privately-held Louisiana, USA based company
Ceramic Ball Valve
Ceramic ball valves are used to handle the most
Chalwyn MPX CE236 Pressure to Close Butterfly Valve
Chalwyn MPX CE236 Pressure to Close Butterfly Valve with
Apollo Valves 10-600 Series Safety Relief Valves
Apollo 10-600 Safety Valves ASME Section IV capacity certified
Apollo Valves 10-512 Series Safety Relief Valves
Apollo 10-512 Safety Valves ASME Section VIII capacity certified
Amflow® AM8C Series Flow Control Valve
Amflow® Flow Control Valves represent the latest technology in patented
Amflow® AM7E Series Flow Control Valve
Amflow AM7E Flow Control Valve represent the latest technology
Amflow® AM7B Series Flow Control Valve
Amflow AM7B Flow Control Valve is the hallmark of
Apollo Valves 36E Direct Acting Cartridge Style Regulator
Water Pressure Reducing Valves Apollo Valves 36E Direct Acting
Apollo Valves 36CLF Series Compact Direct Acting
Apollo Valves 36CLF Series Lead-Free* Pressure Reducing Valve Model
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