DBB Trunnion Mounted Ball Valve, BS 5351, F51, DN600, PN420

This DBB Ball Valve is designed in accordance with API 6D and BS 5351 standards, ensuring dependable isolation and high-integrity sealing for demanding pipeline systems. Manufactured from ASTM A182 F51 duplex stainless steel, it provides excellent strength, corrosion resistance, and long-term durability. The valve is sized DN600 (24 inches) and rated PN420, Class 2500 LB, making it suitable for high-pressure and critical service conditions. Its full welded body construction enhances structural integrity and reduces potential leakage paths, while RTJ flanged ends ensure secure, tight connections. As a leading Trunnion Mounted Ball Valve supplier from China, we deliver high-performance valves engineered for safety, reliability, and long service life in industrial applications.

Valve Description:
181302118 DBB Ball Valves, Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 24 Inch, DN600, 600 mm
Pressure: Class 2500 LB, PN420
Body Material: ASTM A182 F51, ASTM A182 F304, ASTM A105N, ASTM A182 F55, ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F53
Bore Type: Full Bore or Reduced Bore
Trim Material: ASTM A182 F304, ASTM A182 F6A, ASTM A182 F316, F51, F53, F55, A105+ENP, LF2+ENP
Structure: Full Welded
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
End Connection: RTJ Flanged
Operation: Gear
Seat Insert: RPTFE, DEVLON, NYLON, PEEK

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.