Picture of 1/4 BSPP Adjustable P.O. Check w/ Flush Manual Release

1/4 BSPP Adjustable P.O. Check w/ Flush Manual Release

NGT’s BG4MFMAD is an adjustable PO check valve that enables quicker stops if the valve is closing too slowly or drifting after changing direction on the control valve. The BG4MFMAD has 1/4 BSPP in/out ports and 1/4 BSPP pilot port, standard temperature seals, and a flush manual release.
  • Adjustable PO checks allow for quicker stops if a standard PO check valve is closing too slow or drifting after changing direction on the control valve
  • Valve is adjustable to accommodate different pilot (signal)pressures
  • Helpful if a standard PO check doesn’t close fast enough due to signal strength or length of pilot line
  • Adjustable PO checks allow for quicker stops if a standard PO check valve is closing too slow or drifting after changing direction on the control valve
  • This valve enables faster stops with lower pilot pressure
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Product Drawing for 1/4 BSPP Adjustable P.O. Check w/ Flush Manual Release
Product Figures for 1/4 BSPP Adjustable P.O. Check w/ Flush Manual Release
Product Schematic for 1/4 BSPP Adjustable P.O. Check w/ Flush Manual Release
Application & Function

NGT’s BG4MFMAD is an adjustable PO check valve that enables quicker stops if the valve is closing too slowly or drifting after changing direction on the control valve. Tightening the adjusting screw increases spring tension holding the valve closed, making the valve more responsive. The BG4MFMAD has 1/4 BSPP in/out ports and 1/4 BSPP pilot port, standard temperature seals, and a flush manual release. Installing a BG4MFMAD will reduce the time it takes for a PO check valve to close with a weaker pilot signal.

Technical Specs
Flow Capacity: 2.6
Max. Pressure: 120
Pilot Port: 1/4 BSPP
Port Size In: 1/4 BSPP
Port Size Out: 1/4 BSPP
Document: -BG4MXXAD.docx
Type: Adjustable
Adjustable Pilot Pressure: True
Flow Control: False
Counterbalance: False
Is it Swivel: False
Material: Standard