DBB Trunnion Ball Valves, API 6D, BS 5351, F304, 18 IN, CL1500

Built to API 6D and BS 5351 standards, this full welded DBB trunnion ball valve features a corrosion-resistant ASTM A182 F304 stainless steel body paired with a durable A105+ENP trim for enhanced strength and wear resistance. The 18-inch size and Class 1500 LB rating make it ideal for high-pressure, critical isolation services. RTJ flanged ends provide secure, leak-tight sealing, while the gear operation ensures smooth and controlled actuation even under demanding conditions. Its double block and bleed design improves operational safety and maintenance efficiency. As a leading DBB Trunnion Ball Valves Manufacturer in China, we deliver reliable, precision-engineered solutions for industrial applications.
 

Valve Description:
181302095 DBB Ball Valves, Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 18 Inch, DN450
Pressure: Class 1500 LB, PN250
Body Material: ASTM A182 F304, ASTM A105N, ASTM A182 F55, ASTM A182 F51, ASTM A350 LF2, 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.