Picture of 1/4 NPTF P.O. Check w/ Flush Manual Release and High Temp Seals

1/4 NPTF P.O. Check w/ Flush Manual Release and High Temp Seals

NGT’s B4MFMFLK18V is a pilot operated check valve with flow controls that prevents crash landings and cylinder bounce. The B4MFMFLK18V has 1/4 NPTF in/out ports and 1/8 NPTF pilot port, high temperature seals, and a flush manual release. The B4MFMFLK18V also can accommodate as low as 25 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 1/4 NPTF P.O. Check w/ Flush Manual Release and High Temp Seals
Product Figures for 1/4 NPTF P.O. Check w/ Flush Manual Release and High Temp Seals
Product Schematic for 1/4 NPTF P.O. Check w/ Flush Manual Release and High Temp Seals
Application & Function
NGT’s B4MFMFLK18V 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 B4MFMFLK18V has 1/4 NPTF ports and 1/8 NPTF pilot port. The B4MFMFLK18V has high temperature seals and a flush manual release. Installing B4MFMFLK18V 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 B4MFMFLK18V also can accommodate as low as 25 psi pilot pressure.
Technical Specs
Flow Capacity: 2.6
Max. Pressure: 150
Pilot Port: 1/8 NPTF
Port Size In: 1/4 NPTF
Port Size Out: 1/4 NPTF
Document: -B4MXXFL.docx
Type: Flow Control
Adjustable Pilot Pressure: False
Flow Control: True
Counterbalance: False
Is it Swivel: False
Material: Standard