RODUCT RANGE:

Size: NPS 1/2” to NPS 2” (DN15 to DN50)  

Pressure Range: Class 150, Class 300, Class 600, Class 800, Class 900, Class 1500, Class 2500

Temperature: According to material

End Connection: BW, SW, NPT, RF, FF, RTJ

Operation: None

MATERIALS:

Forged: A105, A182 F304, F304L, F316, F316L, F51, F53, A350 LF2, LF3, LF5 and others

STANDARD:

Design and Manufacture: API 602,ASME B16.34,BS 5352

Face to Face: MFG’S

End Connection: 
Flange Ends to ASME B16.5, ASME B16.47, MSS SP-44 (NPS 22 Only)

- Socket Weld Ends to ASME B16.11

- Butt Weld Ends to ASME B16.25

- Screwed Ends to ANSI/ASME B1.20.1

Test and Inspection: API 598

Fire safe design: API 6FA, API 607

Also available per : NACE MR-0175, NACE MR-0103, ISO 15848

Other: PMI, UT, RT, PT, MT

Design Features:

1.Forged Steel,Piston,Ball or Swing type

2.Integral Body Seat for Piston and Ball Check valves

3.Separated Seat Ring design for swing check valves

4.Spiral Wound Gasket or Oval Ring Joint gasket

5.Reduced Bore or Full Port,

6.T-Pattern or Y-Pattern,

7.Socket Welded,Threaded,Butt Welded,Flanged End.

Structure of API602 swing check valve