Picture of 3/8" NPTF Dual Check Valve w/ Adjustable Spring Tension

3/8" NPTF Dual Check Valve w/ Adjustable Spring Tension

NGT’s D6C00AD is an adjustable dual pneumatic check valve that maintains cylinder position by locking air in both cylinder ports. The D6C00AD has 3/8 NPTF in/out ports, standard temperature seals, and no manual release. The D6C00AD is adjustable to handle lower pilot pressure.
  • Internal flow controls meter air out of the cylinder
  • Dual valves perform the work of two PO check valves, but in one valve package, eliminating pilot lines
  • Maintains cylinder position by locking air in cylinder
  • Cross-ported to allow the valve to open when the control valve changes direction
  • Work well in either vertical or horizontal applications ensuring precise stopping on machines with rollers or slides and eliminates some bounce
  • Improves bounce vs. a single PO check since the valve checks in both directions
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Product Drawing for 3/8" NPTF Dual Check Valve w/ Adjustable Spring Tension
Product Figures for 3/8" NPTF Dual Check Valve w/ Adjustable Spring Tension
Product Schematic for 3/8" NPTF Dual Check Valve w/ Adjustable Spring Tension
Application & Function
NGT’s D6C00AD is a dual pneumatic check valve that maintains cylinder position by locking air in both cylinder ports. This valve enables quicker stops if the valve is closing too slowly or drifting after changing direction on the control valve. Dual pneumatic check valves work well in horizontal applications by ensuring precise stopping. The D6C00AD also works well in the vertical position by reducing bounce compared to a standard pneumatic PO check valve. The D6C00AD has 3/8 NPTF in/out ports, standard temperature seals, and no manual release. Installing a D6C00AD 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.
Technical Specs
Flow Capacity: 3.8
Max. Pressure: 150
Pilot Port: N/A
Port Size In: 3/8 NPTF
Port Size Out: 3/8 NPTF
Document: -D6CXXAD.docx
Type: Dual
Adjustable Pilot Pressure: True
Flow Control: False
Counterbalance: False
Is it Swivel: False
Material: Standard