Picture of 1/4" NPTF Swivel-Mounted Adjustable PO Check Valve w/ 1/8" Outlet and flush manual relase

1/4" NPTF Swivel-Mounted Adjustable PO Check Valve w/ 1/8" Outlet and flush manual relase

NGT’s B4SFMAD-25 is an adjustable swivel-mounted pilot operated check valve that enables quicker stops if the valve is closing too slowly or drifting after changing direction on the control valve. The B4SFMAD-25 has 1/4 NPTF female inlet, 1/4 NPTF male outlet, 1/8 NPTF pilot port, standard temperature seals, and a flush manual release. The B4SFMAD-25 also can accommodate as low as 40 psi pilot pressure.
  • Male outlet ports on swivel valves enable direct mounting to cylinders
  • 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 Swivel-Mounted Adjustable PO Check Valve w/ 1/8" Outlet and flush manual relase
Product Figures for 1/4" NPTF Swivel-Mounted Adjustable PO Check Valve w/ 1/8" Outlet and flush manual relase
Product Schematic for 1/4" NPTF Swivel-Mounted Adjustable PO Check Valve w/ 1/8" Outlet and flush manual relase
Application & Function
NGT’s B4SFMAD-25 is an adjustable swivel-mounted pilot operated check valve that enables quicker stops if the valve is closing too slowly or drifting after changing direction on the control valve. The male outlet allows the valve to mount directly to a cylinder or other pneumatic device. The male outlet of the valve swivels, allowing the valve to rotate as needed around the cylinder. The B4SFMAD-25 has 1/4 NPTF female inlet, 1/4 NPTF male outlet, 1/8 NPTF pilot port, standard temperature seals, and a flush manual release. The B4SFMAD-25 also can adjust for low pilot pressure. The B4SFMAD-25 valve locks air in the device (such as a cylinder or gripper) until the pilot signal is energized, at which time the valve opens and evacuates the device. Installing a B4SFMAD-25 will reduce the time it takes for a PO check valve to close with a weaker pilot signal. Tightening the adjusting screw increases spring tension holding the valve closed, making the valve more responsive. This valve is also available in high/low temperature versions.
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: -B4SXXAD-XX.docx
Type: Adjustable
Adjustable Pilot Pressure: True
Flow Control: False
Counterbalance: False
Is it Swivel: True
Material: Standard