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Integral Fitting Check Valves

Compact and lightweight, these check valves feature a built-in instant fitting. Simply push your tubing into the fitting and your non-return valve is ready to go.

Both the check valve and fitting are rated for compressed air (up to 145 psi). The durable Delrin body makes this check valve perfect for harsh ambient conditions.

  • Available Sizes: 4mm, 6mm, 8mm, 5/32", 1/4", 3/8"
  • Tube Material: Nylon, Soft Nylon, Polyurethane
  • Cracking Pressure: 0.005 MPa (0.7 psi)

Order Information & Specifications

Model Fluid Operating Pressure Temp Range Connection Size Type Tube O.D.
AKH04-00 Air -100kPa to 1MPa
(-14.5 to 145 psi)
-5° to 60° C
(23° to 140° F)
Straight Metric 4mm
AKH06-00 6mm
AKH08-00 8mm
AKH03-00 Inch 5/32"
AKH07-00 1/4"
AKH11-00 3/8"

Dimensions & Weight

Inline Type Diagram

Straight Type Dimensions Diagram
Model Size Type Tube O.D. Ø D L M Effective Area (mm²) Weight (g)
AKH04-00 Metric 4 9.3 33.5 12.7 2.8 3
AKH06-00 Metric 6 11.6 37.1 13.5 6.5 5
AKH08-00 Metric 8 15.2 53.3 18.5 14 10
AKH03-00 Inch 5/32 9.3 33.5 12.7 2.8 3
AKH07-00 Inch 1/4 12.0 39.0 13.6 6.5 6
AKH11-00 Inch 3/8 18.5 63.6 21.0 24.0 17

General Dimensions Reference

General Dimensions Diagram

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