Cast Steel Trunnion mounted Ball Valve

Design standard

Basic standard: GOST 28343-1989, API 608, API 6D,ASME B16.34;

Flange connection dimesion: GOST 12815-80, ASME B16.5, ASME B16.47 Series A/B;

Face-to-face dimension: GOST 3706-93, ASME B16.10,

Pressure-Temperature rating: ASME B16.34;

Pressure Test: GOST 356-2016, API 598, API 6D;

Product range

Size: DN50~DN1200, 2 inch -48inch;

Rating pressure: PN16~PN150, ANSI 150lb ~ 900lb;

Body Materials: Carbon Steel, Low-temperature Carbon steel, Stainless Steel, Forged Duplex Stainless Steel;

Trim: A105+ENP, A350 LF2+ENP, Stainless steel(SS304, SS316 etc.), etc.

Operation: Lever Or Wrench Operated, Gearbox etc.

Feature:

Trunnion mounted, Splited body, Side-entry, 2-Piece or 3-piece type, Fire-safe design, anit-blow out stem, Seat deisgn can be DBB, DIB-1, DIB-2 design；

Metal seated design and soft seated design are both available；

Available seat insert：RPTFE，Devlon, Nylon, PEEK, PCTFE etc.;

With design of extended stem for cryogenic service（with temperature below -29℃）；

Application:

Refinery, Petrochemical, Oil and gas pipeline, Power plant, General Industry etc.