Material: Cast steel or Forged Steel

Seat sealing:Metal/STL 

Pressure: ASME Class150~2500LBS(PN16~PN420)

Size:NPS 2”~36”(DN50~DN900)

Connection: RF, RTJ, BW

Features: Pressure Seal or Bolted bonnet, outside screw and yoke, Welded bonnet, OS&Y

Operation: Handwheel, Gear Box, Electric Actuator etc.

Application Standard:

Design and Manufacture: API 602, MSS-SP-117  

Face-to-face Dimension: API 6D, ASME B16.10, DIN3202,GOST3706,EN558

Flange Ends Dimension: ASME B16.5, GOST 12815, DIN2501, EN1092-1

BW Ends:ASME B16.25

Socket Welded Ends: ANSI B16.11

Screw Ends: ANSI 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: carbon steel, alloy steel, stainless steel, duplex stainless steel, Inconel, Hastelloy, Monel, Incoloy etc.

Carbon Steel: A105, A105N,F11,F22,F5,F9 or WCB,WCC, WC6,WC9,C5, C12 etc.

Low Carbon Steel: LF2, LCB, LCC etc.

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

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

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

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