Key Specifications / Features
The DBB Trunnion Ball Valve is engineered for high-performance pipeline applications, offering reliable double block and bleed functionality for safe isolation and system maintenance. Constructed with a robust ASTM A182 F53 forged steel body and F316 stainless steel trim, it ensures exceptional corrosion resistance, durability, and long service life. Designed to meet API 6D and BS 5351 standards, this valve features RTJ flanged ends, Class 2500 LB pressure rating, and a 26-inch (DN650) size, making it ideal for high-pressure, high-temperature applications in oil, gas, and petrochemical industries. As a leading forged ball valve supplier in China, we provide top-quality, precision-engineered solutions for critical industrial systems.
Valve Description:
181302119 DBB Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Structure: Full Welded
Body Material: ASTM A182 F53, ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F51, ASTM A182 F304, ASTM A105N, ASTM A182 F55
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Sizes: 26 Inches, DN650, 650 mm
Pressure: Class 2500 LB, PN420
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
Operation: Gear
Bore Type: Full Bore or Reduced Bore
End Connection: RTJ 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 - 48 Inch (DN15 - DN1200)
Pressure Range: 150 - 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.
