Product

API Check Valve

  • Description

00

 

Test Pressure

Test Item Shell Test Seal Test Back Seal Test Air Seal Test
Medium Water Air
Unit MPa MPa MPa MPa
Nominal
Pressure
PN(MPa)
1.6 2.4 1.8 1.8

0.5~0.7

2.5 3.8 2.8 2.8
4.0 6.0 4.4 4.4
6.4 9.6 7.0 7.0
10.0 15.0 11.0 11.0
16.0 24.0 18.0 18.0

 

Materials for Main Parts

Name Material
Body/Bonnet CF8 CF3 CF8M CF3M WCB LCB WC6 WC9 C5
Wedge CF8 CF3 CF8M CF3M WCB LCB WC6 WC9 C5
Gasket PTFF Graphite
Bolt Stainless Steel 35CrMoA
Nut Stainless Steel 45、35CrMoA
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