Valvulas check parker pdf

Check valves, filters and relief valves parker hannifin. Valves, fittings and tubing parker autoclave engineers. Parker provides the industrys widest selection of check valves, available in a variety of end connections. Operation when pressure going through the valve is increased to the cracking level, the valve opens. The series n needle valves have the same colorflow feature and are ideal as speed controls on hydraulic and pneumatic circuits where a reverse flow check is not needed. Finally, pioneer offers series c and series dt check valves to allow free flow in one direction and shutoff in the reverse direction. When pressure is applied to control port x, the ring chamber flow from b to a is released. The dc series offers basic, workhorse check valves ruggedly built, readily available and reasonably priced. As parker s premier manifold mount product offering, isys iso offers machine builders a complete offering with a wide variety of. Cseries check valve, 12 male npt, 25 psig crack pressure, fluorocarbon rubber seat, 316 ss body. Parker check valves employ economical metal seating or zeroleak seating, with elastomer seals using a custommolded seat design. Check valves dc series dc series check valves are rugged, costcompetitive.

For more information about pressure ratings of valves with tube fitting end connections, see swagelok. Parker c series check valves are designed for unidirectional flow control of fluids and gases in industries such as chemical processing, oil and gas production. Series c4v hydraulically pilot operated check valves allow free flow from a to b. To the extent that parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is responsible for determining. Capacity, including procedure, design of the test stand and. Valve products valve products isys iso series the isys iso valve conforms to international standards 15407 and 5599, providing maximum flexibility for end users. The series n needle valves have the same colorflow feature and are ideal as speed controls on hydraulic and pneumatic circuits where a reverse flow check is. Alternatively, ch or cp series valves should be considered.

Up to four different pilot control ratios are available see ordering information. Recommended voluntary standards for measurement procedure for determining control valve flow. Our check valves utilize a variety of media including oil, air, and water and are made from materials such as aluminum, stainless steel, brass, and carbon steel. Section a contents two piece ball valves description page 70100 series, threaded bronze a1 70200 series, solder bronze a2 70800 series, m x f threaded bronze a3. When the pressure is reduced to below the cracking level, the valve closes. Series c check valves permit free flow in one direction, and dependable shutoff in the reverse direction. Check valve body is shaped like an arrow to indicate flow direction. Parker valve industrial colorflow inline flow, pressure control. Parker c series check valves are designed for unidirectional flow control of fluids and gases in industries such as chemical processing, oil and gas production and transmission, pharmaceutical, pulp and paper, power and utilities.