Forged Steel Trunnion Ball Valve

Bolted cover or welded cover, three-piece body, fixed Ball, locking device 
Full or reduced bore, blowout proof stem, Fire safe and anti-static, dual seat with injection and drain & outlet
ASTM A105N, A182 F304, A182 F316, A182 F304L, A182 F316L, A182 F51, A350 LF2.

Standards compliance 
Design and manufacture: ANSI B16.34, API 608, API 6D, BS 5351
Face to face dimensions: ANSI B16.10, API 6D
Flanged connection: ANSI B16.5, Butt welded: ANSI B16.25
Firesafe: API 607, API 6FA
Test and inspection: API 598, API 6D
 
Standard material specifications
Part Name
Material
Body
A105
A182 F304
A182 F316
A182 F304L
A182 F316L
Body Cap
A105
A182 F304
A182 F316
A182 F304L
A182 F316L
Ball
A105+ENP
A182 F304
A182 F316
A182 F304L
A182 F316L
Stem
A105+ENP
A182 F304
A182 F316
A182 F304L
A182 F316L
Seat
A105+ENP
A182 F304
A182 F316
A182 F304L
A182 F316L
Seat Ring
PTFE/RPTFE/NYLON/PEEK
Fixed Turnnion
A105+ENP
A182 F304
A182 F316
A182 F304L
A182 F316L
O-Ring
VITON
VITON
VITON
VITON
VITON
Seat Spring
17-7PH/Inconel
Inconel
Inconel
Inconel
Inconel
Cover Bolt
A193 B7
A193 B8
A193 B8M
A193 B8M
A193 B8M
Cover Nut
A194 2H
A194 8
A194 8M
A194 8M
A194 8M
Forged steel trunnion ball valve provides automatic relief of cavity overpressure. Trunnion mounted designs are available in sizes above 2" size and are generally used for higher pressure. We usually make three pieces body, blow-out proof stem, antistatic device, fire-safe designed and certified, double block and bleed, self relieving.

Products List

Ball Valve
◆ Cast Steel Floating Ball Valve
◆ Forged Steel Floating Ball Valve
◆ Cast Steel Trunnion Ball Valve
◆ Forged Steel Trunnion Ball Valve
◆ Welded Structure Ball Valve
◆ Top Entry Ball Valve

Butterfly Valve
◆ Concentric Type Butterfly Valve
◆ Double Eccentric Butterfly Valve
◆ Triple Offset Butterfly Valve
◆ High Performance Butterfly Valve
◆ AWWA C504 Butterfly Valve
◆ Electric Butterfly Valve 
◆ Pneumatic Butterfly Valve
◆ High Pressure Butterfly Valve  

Gate Valve
◆ Cast Steel Gate Valve
◆ Pressure Seal Gate Valve
◆ Through Conduit Gate Valve
◆ Forged Steel Gate Valve

Globe Valve
◆ Cast Steel Globe Valve
◆ Pressure Seal Globe Valve
◆ Forged Steel Globe Valve

Check Valve
◆ Cast Steel Swing Check Valve
◆ Pressure Seal Check Valve
◆ Dual Plate Wafer Check Valve
◆ Forged Steel Check Valve

Plug Valve
◆ Sleeve Soft Sealing Plug Valve
◆ Inverted Pressure Balance Lubricated Plug Valve

◆ Steel Strainer

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China Valve Manufacturer - www.chinavalve.info
Address: Sanqiao Industrial Zone, Oubei Town, Yongjia County, Zhejiang Province, China. Zip Code: 325102
Tel: +86-577-67279881 Fax: +86-577-67279880 Email: sales@welcovalve.com
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