Double Block & Bleed Ball Valves, BS 5351, F51, 24 IN, CL300

This Double Block & Bleed ball valve is engineered to BS 5351 standards for secure isolation and safe venting in critical pipeline systems. Constructed with a high-strength ASTM A182 F51 duplex stainless steel body and durable LF2 + ENP trim, it offers excellent corrosion resistance and mechanical reliability. Sized at 24 inch (DN600 / 600 mm) and rated for Class 300 LB / PN50, the valve features a fully welded design and RF flanged ends for leak-tight performance and easy installation. Designed for demanding oil, gas, and industrial applications, it ensures dependable operation under high pressure. As a leading Double Block & Bleed ball valve supplier in China, we provide consistent quality and customized solutions for global projects.
 

Valve Description:
181302034 DBB Trunnion Mounted Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 24 Inch, DN600
Pressure Rating: Class 300 LB, PN50
Body Material: ASTM A182 F51, ASTM A182 F316, Inconel 625, ASTM A182 F53, ASTM A182 F304, ASTM A350 LF2, ASTM A105N, F55
Bore Type: Full Bore or Reduced Bore
Test and Inspection: API 598, API 6D
Face to Face: ASME B16.10
Operation: Gear
Structure: Full Welded
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.