Picture of 1/2" NPTF P.O. Check Valve w/ High Temp Seals with Flow Controls

1/2" NPTF P.O. Check Valve w/ High Temp Seals with Flow Controls

NGT’s B8100FLV is a pilot operated check valve with flow controls that prevents crash landings and cylinder bounce. The B8100FLV has 1/2 NPTF in/out ports and 1/4 NPTF pilot port, high temperature seals, and no manual release. The B8100FLV also can accommodate as low as 40 psi pilot pressure.
  • Helps prevent crash landings & cylinder bounce
  • Slow down how quickly the valve exhausts
  • Less expensive than a separate needle valve, but doesn’t allow for fine adjustment
  • Compact package, simple piping
  • Ideal for large cylinders, where a slight restriction on exhaust speed is all you need
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Product Drawing for 1/2" NPTF P.O. Check Valve w/ High Temp Seals with Flow Controls
Product Figures for 1/2" NPTF P.O. Check Valve w/ High Temp Seals with Flow Controls
Product Schematic for 1/2" NPTF P.O. Check Valve w/ High Temp Seals with Flow Controls
Application & Function
NGT’s B8100FLV pilot operated check valve with flow controls allows for metering airflow through the valve, slowing down how quickly the valve exhausts. This prevents crash landings and helps reduce cylinder bounce. Note that restricting airflow through the valve will also slow down systems. NGT’s flow control valves have an adjusting screw that reduces how far the poppet can lift up off of the seat. The B8100FLV has 1/2 NPTF ports and 1/4 NPTF pilot port. The B8100FLV has high temperature seals and no manual release. Installing B8100FLV flow control valves provides a more affordable solution than a using a separate flow control valve while also reducing leak paths and simplifying piping. The B8100FLV also can accommodate as low as 40 psi pilot pressure.
Technical Specs
Flow Capacity: 3.8
Max. Pressure: 150
Pilot Port: 1/4 NPTF
Port Size In: 1/2 NPTF
Port Size Out: 1/2 NPTF
Document: -B81XXFL.docx
Type: Flow Control
Adjustable Pilot Pressure: False
Flow Control: True
Counterbalance: False
Is it Swivel: False
Material: Standard
TraceParts Model: 90-27042021-037976