Key Specifications / Features
This DBB trunnion mounted ball valve is manufactured in accordance with API 6D and BS 5351 standards, ensuring dependable performance in high-pressure pipeline systems. The ASTM A182 F51 duplex stainless steel body provides outstanding strength, corrosion resistance, and durability in aggressive environments. Featuring A105 trim with electroless nickel plating (ENP), the valve offers improved wear resistance and enhanced sealing reliability. Supplied in a 6-inch size (DN150 / 150 mm) and rated for Class 900 LB service, it is designed for demanding oil, gas, and petrochemical applications. RTJ flanged ends ensure secure, leak-tight connections, while gear operation allows smooth, controlled valve actuation. As a leading DBB trunnion ball valve factory in China, we deliver precision and quality.
Valve Description:
181302068 DBB Trunnion Mounted Ball Valve, Double Block & Bleed Ball Valves
Design Standard: API 6D, BS 5351
Nominal Size: 6 Inch, DN150, 150 mm
Nominal Class: Class 900 LB, PN150
Body Material: ASTM A182 F51, ASTM A182 F316, ASTM A350 LF2, ASTM A105N, ASTM A182 F55, Inconel 625, ASTM A182 F53, ASTM A182 F304
Structure: Full Welded
Operation: Gear
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
End Connection: RTJ Flanged
Bore Type: Full Bore or Reduced Bore
Test and Inspection: API 598, API 6D
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.
