BS 5351 DBB Trunnion Ball Valve, A350 LF2, DN900, PN50, RF

Designed in accordance with BS 5351, this high-performance DBB trunnion ball valve features a robust ASTM A350 LF2 carbon steel body and durable F6A trim, ensuring reliable operation in demanding service conditions. With a large 36-inch (DN900) size, Class 300 LB rating, and PN50 pressure class, it is suitable for high-pressure pipeline systems. The RF flanged ends provide secure installation, while the fully welded construction enhances structural integrity and leak prevention. Gear operation enables smooth and precise valve control with reduced torque. As a leading DBB trunnion ball valve factory in China, we deliver dependable solutions for oil, gas, and industrial applications.
 

Valve Description:
181302039 DBB Trunnion Mounted Ball Valve, Double Block and Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 36 Inch, DN900, 900 mm
Nominal Class: Class 300 LB, PN50
Body Material: ASTM A350 LF2, Inconel 625, ASTM A105N, ASTM A182 F316, ASTM A182 F53, ASTM A182 F51, ASTM A182 F304, F55
Test and Inspection: API 598, API 6D
Face to Face: ASME B16.10
Bore Type: Full Bore or Reduced Bore
Structure: Full Welded
Operation: Gear
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
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.