Search results for 'piston check valves':
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piston check valves - velan
Category: Gate, globe, and check valves. Product line: Bonnetless valves. Size range (s) NPS 1/2 - 4 (DN 15 - 100) Pressure rating. ASME Classes 1690 - 4500. Standard connections. Threaded, socket weld, butt weld.
piston & ball check valves - bfe
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. The valve is installed with the flow
what is piston check valve ? | piston check valve parts
Figure : Piston Check Valve. Piston check valves are used primarily in conjunction with globe and angle valves in piping systems experiencing very frequent changes in flow direction. Valves of this type are used on water, steam, and air systems. Articles You May Like : Control Valve Fail Safe Action Control Valve Questions Deluge Valve Operation
piston check valves - gusmar
piston check valves - api 6d - scv valve, llc
Piston Check Valves - API 6D. Sizes: 2" - 24". Classes: 150 - 2500. SCV Valve manufactures a premium array of check valves. Our products are manufactured and tested in accordance with respective API, ASME, and ANSI standards. SCV Piston Check Valves are quiet operating valves that effectively prevent backflow.
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. If there is not enough flow, disc movement occurs inside the valve since the disc is always ...
piston (lift) check valves - 1878 | flowserve
High-performance 1878 piston check valves are designed for low leakage rate testing (LLRT) and are available with EPR/EPDM resilient seated discs.