Key Specifications / Features
This Double Block & Bleed Trunnion Ball Valve is engineered for reliable isolation and enhanced safety in critical pipeline applications. Featuring a robust ASTM A105N carbon steel body and corrosion-resistant F51 duplex stainless steel trim, it delivers excellent strength, durability, and performance under demanding conditions. Designed in accordance with BS 5351, the valve ensures dependable sealing and minimal leakage. The 32-inch, Class 150 LB construction with RF flanged ends allows easy integration into large-diameter systems, while gear operation provides smooth, controlled actuation. As a leading Trunnion Ball Valve Manufacturer from China, we offer high-quality solutions for global industries.
Valve Description:
181302017 DBB Trunnion Mounted Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Nominal Size: 32 Inch, DN800
Nominal Class: 150 LB, PN20
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Structure: Full Welded
Operation: Gear
Body Material: ASTM A105N, ASTM A182 F51, ASTM A350 LF2, ASTM A182 F304, ASTM A182 F316, ASTM A182 F53, F55, Inconel 625
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Bore Type: Full Bore or Reduced Bore
Face to Face: ASME B16.10
End Connection: RF Flanged
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: 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.
