Dimensions & Weights

Fig402 Check Valve Dimension Diagram
Valve Size (inch)1 1/222 1/42 1/2345681012141620
Valve Size (mm)4050606580100125150200250300350400500
A (mm)4050606580100125150200250300350400500
B (mm)85100120120140170200230289354396473560750
C (mm)8097125125150187220250340420490586680880
D (mm)150165185185200220250285340405460533597670
Weight (Kg)

Pressure / Temperature

Fig402 Check Valve Pressure/Temperature Graph

Pressure / Temperature Rating

Maximum Temperature: 100C
Maximum Pressure: 16 bar 

Test Pressures (Hydraulic)

Shell: 24 bar 


BodyCast Iron GG25
PistonCast Iron GG25
Ring100mm Brass, 100mm Bronze
SeatNitrile A-171 WBS Approved
Spring302S Stainless Steel


Fig402 Check Valve

Fig402 Check Valve

  • Operates in any position
  • Does not generate hammering
  • Spring return
  • Nitrile seat
  • Flanged and Drilled BS 4504 PN 16
  • WRAS Approved

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