Material:A105

Seat sealing:Metal 

Pressure: ASME Class150~2500LBS(PN16~PN260)

Size:NPS 1/2"~2"

Connection:SW,Threaded

Features: pressure seal or weld bonnet,bolted bolted standard design, piston type or swing type disc available. 

Application Standard:

Design :API602

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

SW Ends:ASME B16.11

End threads :ASME B1.20.1

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

Temperature Ratings :ASME B16.34 

Certificate:EN 10204 type 3.1

Markings: MSS SP25

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

Carbon Steel A105N,F11,F22,F5,F9 etc.

Low Carbon Steel LF2 etc.

Stainless Steel F304,F316, F316L,F347 etc.

Duplex Steel such as F51,F53, F55 etc.

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

Related product Tag: 

API602 swing check valve

Forged steel swing check valve 

Forged steel piton check valve