Search results for 'piston check valves':
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piston & ball check valves - bonney forge corporation
PISTON CHECK VALVE The pressure of the fluid passing through a sys- tem opens the valve, while any reversal of flow will close the valve. In Piston, or lift, check valves a body-guided disc moves within the body bore. The body guide ensures alignment of the seat and disc when the valve closes.
piston check valves | celeros flow technology
Designed to prevent backflow, the M&J Valves Piston Controlled Check Valve is silent in operation and has no flapper to hammer against the seat.
piston & ball check valves
Piston and ball check valves, like all check valves, are used to prevent back flow in the line. Standard valve design has no spring in order to minimize cracking pressure and pressure drop, it will only function properly when installed in a horizontal line.
what is piston check valve ? | piston check valve parts
A piston check valve is essentially a lift check valve. It has a dash-pot consisting of a piston and cylinder that provides a cushioning effect during operation. Because of the similarity in design to lift check valves, the flow characteristics through a piston check valve are essentially the same as through a lift check valve.
piston check valves and swing check valves | magvalves
Check valves like piston check valves or swing check valves are flow sensitive and rely on the line fluid to open and close. The internal disc allows flow to pass forward, which opens the valve. The disc begins closing when flow decreases or is reversed.
velan - products - bonnetless valves - piston check valves ...
Piston check valves; XB series bonnetless globe valves (discontinued) Dual-plate check valves (Proquip) Wafer type - PW dual-plate check valves; Solid Lug type - PL, PM, dual plate check valves; Double flanged type - PF, PG dual plate check valve; Hub end type - PH dual plate check valve;
piston check valves - api 6d - scv valve, llc
SCV Piston Check Valves are quiet operating valves that effectively prevent backflow. The “flapperless” design is gentle on the seat as the piston rises and lowers with increased and decreased flow rates. The SCV designs offers many features and options beneficial for oil, liquid gas, and liquid applications.