Picture of 1/4" NPTF Adjustable P.O. Check Valve

1/4" NPTF Adjustable P.O. Check Valve

NGT’s A4M0MAD 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 A4M0MAD has 1/4 NPTF in/out ports and 10-32 pilot port, standard temperature seals, and an extended manual release.
  • NGT’s PO checks can be used in any pneumatic application where a sudden drop in pressure would harm personnel, damage products, or otherwise hinder the manufacturing process
  • Typical applications of PO checks are clamping, work holding, & lifting equipment, doors, platforms, and material
  • Air tight design means little to no leaking. Design tightens with increased pressure
  • All aluminum o-ring grooves and faces are hard coat anodized with Teflon coating to reduce wear and increase seal life
  • Nickel plated steel piston rod for strength and corrosion resistance
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Product Drawing for 1/4" NPTF Adjustable P.O. Check Valve
Product Figures for 1/4" NPTF Adjustable P.O. Check Valve
Product Schematic for 1/4" NPTF Adjustable P.O. Check Valve
Application & Function

NGT’s A4M0MAD 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 A4M0MAD has 1/4 NPTF in/out ports and 10-32 pilot port, standard temperature seals, and an extended manual release. Installing a A4M0MAD will reduce the time it takes for a PO check valve to close with a weaker pilot signal.

Technical Specs
Flow Capacity: 1.2
Max. Pressure: 120
Pilot Port: 10-32
Port Size In: 1/4 NPTF
Port Size Out: 1/4 NPTF
Document: -A4MXXAD.docx
Type: Adjustable
Adjustable Pilot Pressure: True
Flow Control: False
Counterbalance: False
Is it Swivel: False
Material: Standard