Forged DBB Ball Valves, BS 5351, DN150, PN250, RTJ Flanged

Trunnion-mounted DBB (Double Block & Bleed) ball valve designed for high-performance applications, featuring an ASTM A182 F51 forged body and F304 stainless steel trim for exceptional strength, corrosion resistance, and durability. Compliant with BS 5351 and API 6D standards, this valve is rated DN150, PN250, and comes with RTJ flanged ends for secure, leak-proof connections in demanding pipelines. The trunnion-mounted design ensures smooth operation, low torque, and reliable sealing under high pressure and temperature conditions. As a leading Forged Double Ball Valves Manufacturer in China, we provide premium-quality valves built for long-lasting performance, safety, and industrial efficiency.
 

Valve Description:
181302089 DBB Ball Valves, Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 6 Inch, DN150
Pressure: Class 1500 LB, PN250
Body Material: ASTM A182 F51, ASTM A182 F304, ASTM A350 LF2, ASTM A105N, ASTM A182 F55, Inconel 625, ASTM A182 F53, F316
Bore Type: Full Bore or Reduced Bore
Structure: Full Welded
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
Trim Material: ASTM A182 F304, ASTM A182 F6A, ASTM A182 F316, F51, F53, F55, A105+ENP, LF2+ENP
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.