Audited Supplier
API Check Valve Specification
Size:2"~48"(DN 50~DN 1200)
Pressure:Class 150~Class 2500
End connection:RF,RTJ,BW,FF,Wafer,Lug
Main material
Casting Steel:WCB,WCC,WC6,WC9,LCB,LCC,CF8,CF3,CF8M,CF3M,CF8C,4A,5A,6A,CN7M,CW6MC,
CW12MW,CU5MCuC,C5,C12,M35-1
Special Alloy Steel:Inconel,Hastelloy,Monel
API Check Valve Standard and Features
Std:
1.Design & manufacture:API 6D,BS 1868,ASME B16.34
2.Flange END:ASME B16.5,ASME B16.47
3.Face To Face :ASME B16.10
4.Pressure-temperature rating:ASME B16.34
5.Butt END:ASME B16.25
6.Inspection & Test:API 598
7.Also available per NACE MR 0175,NACE MR 0103
Specification
Size:DN 50~DN 1200
Pressure:PN 16~PN 420
End connection:RF,RTJ,BW,FF
Main material
Casting Steel:WCB,WCC,WC6,WC9,LCB,LCC,CF8,CF3,CF8M,CF3M,CF8C,4A,5A,6A,CN7M,CW6MC,
CW12MW,CU5MCuC,C5,C12,M35-1
Special Alloy Steel:Inconel,Hastelloy,Monel
DIN Check Valve Products standard and features
Std:
1.Design & manufacture:BS 1868,BS EN 12516,EN 12569,DIN 3352
2.Flange END:DIN 2543~2548,BS EN 1092-1
3.Face To Face :DIN 3202.BS EN 558-1
4.BW ends:EN 12627
5.Inspection & Test:DIN 3230,BS EN 12569
Feature:
1. Full bore or reduced bore
2. Bolted Cover,Pressure seal cover
3. Swing or Lift type
4. Renewable seat ring or Integral Seat Ring
5. Non-penetrate disc shaft
6. Horizontal or vertical service
7. Flanged of Butt welded end
8. The product has reasonable structure, reliable sealing, excellent performance and beautiful design.
9. The sealing surface is covered with STL, which is resistant to friction, corrosion and long service life.
10. Part material, flange and butt welding size can be selected according to the current working conditions or user requirements to meet the needs of various projects.
11. Easy to disassemble and maintain.
12. Horizontal installation, not vertical installation.
13. Unidirectional sealing to prevent medium backflow.
14. Vertical lifting structure, disc sealing form is the same as the globe valve
15. The design of all valves can meet the requirements of DIN and applicable customer requirements
Welded Check Valve Specification
Size:2"~48",DN 50~DN 1200
Pressure:Class 150~Class 2500,PN 16~PN 420
End connection:BW
Main material
Casting Steel:WCB,WCC,WC6,WC9,LCB,LCC,CF8,CF3,CF8M,CF3M,CF8C,4A,5A,6A,CN7M,CW6MC,
CW12MW,CU5MCuC,C5,C12,M35-1
Special Alloy Steel:Inconel,Hastelloy,Monel
Welded Check Valve Standard and Features
Std:
1.Design & manufacture:BS 1868,ASME B16.34,DIN 3352
2.Face To Face :DIN 3202.BS EN 558-1,ASME B16.10
3.BW ends:EN 12627,ASME B16.25
4.Inspection & Test:DIN 3230,BS EN 12569
Feature:
1. Full bore or reduced bore
2. Bolted Cover,Pressure seal cover design
3. Swing or Lift type
4. Renewable seat ring or Integral Seat Ring
5. Non-penetrate disc shaft
6. Horizontal or vertical service
7. Butt welded end
8. Unidirectional seal
9. Locking device can be selected
10. Position indicator can be selected
11. Limit switch can be selected
