Key Specifications / Features
This Double Block & Bleed (DBB) Ball Valve is designed for high-pressure, large-scale industrial applications, offering precise flow control and reliable sealing. Featuring an Inconel 625 body and A105+ENP trim, it provides exceptional corrosion and temperature resistance, making it ideal for harsh environments such as oil, gas, and petrochemical pipelines. Compliant with API 6D standards, this 30-inch (DN750) valve is rated Class 1500 LB and comes with RTJ flanged ends for secure, leak-proof installation. Engineered for durability and stable operation, it ensures safe and efficient pipeline management. As a leading Trunnion Mounted Ball Valve Supplier in China, we deliver high-quality, precision-engineered solutions for critical applications.
Valve Description:
181302100 DBB Ball Valves, Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 30 Inches, DN750
Pressure: Class 1500 LB, PN250
Body Material: Inconel 625, ASTM A182 F51, ASTM A105N, ASTM A182 F55, ASTM A182 F304, ASTM A350 LF2, 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.
