Super Duplex Steel Trunnion Ball Valve

3 Piece Forged Trunnion Ball Valve

Forged Steel Trunnion Ball Valve is usually built by 3-piece body, suitable for various kinds of pipelines, Class150-Class4500, PN16-PN720, JIS5K-JIS40K, is used to cut off or turn on the pipeline medium, can be operated by worm gear, manual, pneumatic actuator, electric driver, the connection type includes RF Flange，RTJ Flange，Butt welding, Grayloc, etc.

SIZE RANGE AND PRESSURE CLASS

Size from 2” to 48” (DN50-DN1200)

Pressure from 150LBS to 2500LBS (PN16-PN420)

DESIGN STANDARDS

Design / Manufacture as per the standards

API 6D; ASME B16.34; DIN 3357; EN 13709; GB/T12237; BS5351

Face to Face Length (Dimension) as per the standards

ASME B16.10; EN 558-1 Gr. 14 (DIN 3202-F4); DIN 3202-F5; DIN 3202-F7; BS5163

Flanged Dimension according to the standards

ASME B16.5; EN 1092-1; BS4504; DIN2501;

Flanged to ASME B16.5 (2” ~ 24”) and ASME B16.47 Series A / B (26” and above) Clamp / Hub ends on request.

Testing according to the standards

API 598; API 6D; EN 12266-1; EN 1074-1; ISO5208

TECHNICAL FEATURES

Split body, forged steel, side entry design.

3-piece bolted construction permits disassembly in the field for repairs

Stem separated from the ball, no side load on the stem

Tight shut-off sealing mechanism

Explosive decompression-resistant seal

3 Mil Nickel plating for trim parts (Ball, Seat Ring)

Trunnion mounted ball for ease of operation at high pressure (Post and Plate designs)

Double Block & Bleed Capability

Fire Safe Design

Multiple Stem Sealing

Double Isolation & Bleed (DIB) Design Available

Valve cavity pressure relief (SPE Seats)

Built-in sealant injection system for emergency seat & stem seal

Anti-provision Design

Anti-Static Device

Back-seated blowout proof stem

RPTFE, DEVLON, PEEK standard Plastic seat inserts

Acid Gas and High H2S/CO2 applications

CONSTRUCTION MATERIALS

Carbon Steel

A105, C22.8/ P250GH (1.0460/1.0432)

Low Temperature Carbon Steel (LTCS):

ASTM A350 LF2, TStE355 / P355QH1 (1.0571/1.0566)

Alloy Steel:

ASTM A350 LF1/LF3/LF5/LF6/LF9/LF787,

High Temperature Steel (Chrome Moly)/Alloy Steel:

ASTM A182 F1, 15Mo3 16Mo3 (1.5415)

ASTM A182 F11, 13 CrMo 4 4/ 13CrMo4-5 (1.7335)

ASTM A182 F22, 10CrMo 9 10 / 11CrMo9-10 (1.7383/1.7380)

ASTM A182 F91, X10CrMoVNb9-1 (1.4903)

Austenitic Stainless Steel/Alloy Steel:

ASTM A182 F304 X5CrNi1810/ X5CrNi18-10 (1.4301)

ASTM A182 F304L X2 CrNi 19 11 (1.4306)

ASTM A182 F316 X5CrNiMo 17 12 2 / X5CrNiMo17-12-2 (1.4401)

ASTM A182 F316L X2 CrNiMo 17 13 2 / X2CrNiMo17-12-2 (1.4404）

ASTM A182 F316 Ti X6 CrNiMoTi 17 12 2 / X6CrNiMoTi17-12-2 (1.4571)

ASTM A182 F321 X6 CrNiTi 18 10 /X6CrNiTi18-10 (1.4541)

ASTM A182 F347 X6CrNiNb1810/ X6CrNiTi18-10C (1.4550)

ASTM A182 F44 (6MO) (1.4547)

ASTM A182 F20*(ALLOY 20#)

Ferritic-Austenitic / Duplex / Super Duplex Stainless Steel:

ASTM A182 F51, X2 CrNiMoN 22 5 3 / X2CrNiMoN22-5-3 (1.4462)

ASTM A182 F52, (1.4460)

ASTM A182 F53, X2CrNiMoCuN 25.6.3 (1.4410)

ASTM A182 F55, X2CrNiMoCuWN 25.7.4 (1.4501)

ASTM A182 F60, (1.4462)

Other materials

Alloy 20 ASTM B462 / UNS N08020

Monel 400 / UNS N04400 ASTM B564-N04400 / A494 M35-1 NiCu30Fe (2.4360)

Nickel Alloy 904L / UNS N08904 X1NiCrMoCu25.20.5 (1.4539)

Inconel 625 /UNS N06625 /ASTM B564-N06625 /ASTM A494-CW6MC

NiCr22Mo9Nb (2.4856)

Inconel 825 /UNS N08825 /ASTM B564-N08825 /A494 CU5MCuC (2.4858)

NiCr21Mo (2.4858)

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