Key Specifications / Features
This 42-inch Trunnion Mounted DBB Ball Valve is engineered for high-pressure pipeline applications, offering reliable isolation and flow control in demanding industrial environments. Built to API 6D and BS 5351 standards, it features a robust ASTM A182 F316 body with LF2 + ENP trim for superior corrosion resistance and durability. Designed with RF flanged ends and gear-operated mechanism, it ensures smooth, precise operation even at large diameters. Rated Class 300 LB, DN1050, this valve delivers dependable performance for oil, gas, and chemical industries. As a leading DBB ball valve manufacturer in China, we provide high-quality, engineered solutions for critical pipeline systems.
Valve Description:
181302041 DBB Trunnion Mounted Ball Valve, Double Block and Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 42 Inch, DN1050
Nominal Class: Class 300 LB, PN50
Body Material: ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A105N, ASTM A182 F53, ASTM A182 F51, ASTM A182 F304, F55
Test and Inspection: API 598, API 6D
Face to Face: ASME B16.10
Bore Type: Full Bore or Reduced Bore
Structure: Full Welded
Operation: Gear
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.
