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DBB Trunnion Ball Valve, BS 5351, F304, DN400, PN50, RF Flanged

DBB Trunnion Ball Valve, BS 5351, F304, DN400, PN50, RF Flanged

Model Number: 181302032

Key Specifications / Features

This DN400 (16-inch) DBB trunnion-mounted ball valve is engineered to BS 5351 standards, delivering reliable isolation for high-pressure pipeline systems. Featuring a fully welded construction and an ASTM A182 F304 stainless steel body and trim, it provides exceptional strength, corrosion resistance, and long-term durability in demanding service environments. Rated at PN50 / Class 300 LB with RF flanged ends, the valve ensures secure installation and leak-tight performance. The gear-operated mechanism enables smooth, precise control. As a leading DBB trunnion ball valve manufacturer in China, we deliver high-quality, engineered solutions for critical oil, gas, and industrial applications.
 
DBB Ball Valve DN400 Ball Valve BS 5351 Ball Valve ASTM A182 F304 Ball Valve PN50 Ball Valve Trunnion Mounted Ball Valve
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Detail Information

Valve Description:
181302032 Double Block & Bleed Ball Valve, DBB Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Structure: Full Welded
Sizes: 18 Inch, DN450, 450mm
Nominal Class: Class 300 LB, PN50
Operation: Gear
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
Bore Type: Full Bore or Reduced Bore
Test and Inspection: API 598, API 6D
Body Material: ASTM A182 F304, ASTM A350 LF2, ASTM A105N, Inconel 625, ASTM A182 F53, ASTM A182 F51, ASTM A182 F316, F55
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
End Connection: RF Flanged

Key Features: Double Block&Bleed(DBB), Anti-static Device, Fire Safe, Anti-Blowout Stem, Emergency sealant injection, Low Emission(Optional), DIB (Optional), full welded bonnet, Double Ball/Twin Ball

Product Range:
Body Material: Carbon Steel, Stainless Steel, Alloy Steel
Normal Diameter: 1/2 Inch - 48 Inch (DN15 - DN1200)
Pressure Range: Class 150 LB - 2500 LB
End Connection: RF, RTJ, BW, HUB
Working Temperature: -26°C - +150°C
Operation: Manual(lever, gear), Pneumatic Actuator, Motor Actuator


DESIGN FEATURES:
• Renewable solid wedges.
• Integral seats.
• High-Tensile bronze alloy stem.
• Stems are rotating/rising design.
• Each valve is shell and seat pressure tested per industry standard MSS SP-80.
 

Supplier Information

Bosseal Valves (Suzhou) Co., Ltd.

Verified Supplier

Suzhou, Jiangsu, China
Est. 2013

Certifications:

API 6D API 6A API 600 API 602 API 599 API 609
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