Type: Pressure seal swing check valve 

Material: A105

Seat sealing:Metal  

Pressure: ASME Class1500LBS

Size:NPS 3” Connection: RF, RTJ, BW

Features: pressure seal or weld bonnet optional,piston or swing type, compact steel or cast steel material form

Application Standard:

Design API6D,ASME B16.34

Face-to-face: API 6D/ ASME B16.10

Flanged Ends:ASME B16.5/B16.47 /MSS SP-44/DIN/EN1092-1/GOST33259/JIS

BW Ends:ASME B16.25

Inspection Test :API 598,API6D,ISO5208,EN12266-1

Temperature Ratings :ASME B16.34 

Certificate:EN 10204 type 3.1

Markings: MSS SP25

Materials: carbon steel, alloy steel, stainless steel, duplex steel,bronze, Inconel,Hastelloy,Monel, Incoloy etc.

Carbon Steel A105N,F11,F22,F5,F9 or WCB,WCC, WC6,WC9,C5, C12 etc.

Low Carbon Steel LF2 or LCB,LCC etc.

Stainless Steel F304,F316, F316L,F347 or CF8, CF8M, CF3M,CF8C etc.

Duplex Steel such as F51,F53, F55 or 4A,5A,6A, CD3MN, CD2MWCuN, CN7M (Alloy 20) etc.

Bronze C95800, RG5 etc.

Other special materials like Inconel 625 could be supplied by request.

Related product Tag: 

API 6D check valve

Swing check valve 

High pressure swing check valve