Cast Steel Trunnion Ball Valve can be made with 2-piece body or 3-piece body according the size. For the size smaller than 20inch, cast valves usually designed with 2piece body, the valves bigger than 20inch are usually manufactured with 3-piece body.

CGV offer the valves below

Two Piece Trunnion Ball Valve, Side Entry, Three Piece Trunnion Ball Valve, Split Body

SIZE RANGE AND PRESSURE CLASS

Size from 2” to 48” (DN50-DN1200)

Pressure from 150LBS to 2500LBS (PN10-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)

Butt Welding Ends as per the standards ASME B16.11; EN12982; GB/T 12224

Testing according to the standards

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

TECHNICAL FEATURES

Clamp / Hub ends on request.

Two-piece, OR Three-piece, split body, cast steel, side entry design.

Tight shut-off sealing mechanism

Self-relief of excessive cavity pressure.

Double Block & Bleed

Double Body Sealing

Fire Safe Design

Multiple Stem Sealing

Double Block & Bleed (DBB) Design Available

Double Isolation & Bleed (DIB) Design Available

Emergency seat and stem injection

Anti-provision Design

Anti-Static Device

Anti-Blow out Stem

CONSTRUCTION MATERIALS

General Cast Carbon Steel

A216 WCB (WCC, WCA), GP240GH (1.0619/GS-C25),

Low Temperature Carbon Steel (LTCS), LCB (LCC, LCA), GS-CK25

Alloy Steel:

A352 LC1/LC2/LC2-1/LC3/LC4/LC9/, A743 CA6NM

GS-CK16 GS-CK24 GS-10Ni6 GS-10ni14

High Temperature Steel (Chrome Moly)/Alloy Steel:

A217 WC1/ WC6/ WC9/C5/C12/C12A,

GS-22Mo4/ G20Mo5 (1.5419); GS-17CrMo55/ G17CrMo5-5 (1.7357)

Austenitic Stainless Steel/Alloy Steel:

UNS S30400 (S30403) (S30409), A351 CF8/CF3/CF10

G-X6CrNi189/ GX5CrNi19-10(1.4308)

UNS S31600 (S31603) (S31609), A351 CF8M/CF3M/CF10M

GX5CrNiMo19-11-2/G-X6CrNiMo18.10 (1.4408)

UNS S34700 (S34709), A351 CF8C

G-X5CrNiNb189/GX5CrNiNb19-11(1.4552）

AISI316Ti; X6CrNiNo17122/ X6CrNiMoTi17-12-2(1.4571)

ALLOY 20# / UNS N08020, A351 CN7M

Ferritic-Austenitic / Duplex / Super Duplex Stainless Steel:

UNS S31803 /S32205 (Duplex2205), A890/A995 GR.4A (J92205) /A351 CD3MN

UNS S32750 (Super Duplex2507), A890/A995 GR.5A / A351 CE8MN (CD4MCu)

UNS S32760, A890/A995 GR.6A (CD3MWCuN)

Other materials

Monel 400 / UNS N04400 ASTM B564-N04400 / A494 M35-1

Nickel Alloy 904L / UNS N08904

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

Inconel 825 /UNS N08825 /ASTM B564-N08825 /A494 CU5MCuC

BRASS C36000/ Bronze / Aluminum Bronze ASTM B62 UNS C83600, ASTM B148 C95800/

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