Picture of 1/2 NPTF P.O. Check w/ Manual Release with Flow Controls

1/2 NPTF P.O. Check w/ Manual Release with Flow Controls

NGT’s B810MFL is a pilot operated check valve with flow controls that prevents crash landings and cylinder bounce. The B810MFL has 1/2 NPTF in/out ports and 1/4 NPTF pilot port, standard temperature seals, and an extended manual release. The B810MFL 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 w/ Manual Release with Flow Controls
Product Figures for 1/2 NPTF P.O. Check w/ Manual Release with Flow Controls
Product Schematic for 1/2 NPTF P.O. Check w/ Manual Release with Flow Controls
Application & Function
NGT’s B810MFL 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 B810MFL has 1/2 NPTF ports and 1/4 NPTF pilot port. The B810MFL has standard temperature seals and an extended manual release. Installing B810MFL 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 B810MFL 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: 90-27042021-037969