Key Specifications / Features
This 26-inch (DN650) Trunnion Ball Valve is manufactured in compliance with API 6D and BS 5351 standards, ensuring dependable performance in demanding pipeline systems. The valve features a high-strength ASTM A182 F53 super duplex stainless steel body and matching F53 trim, delivering outstanding resistance to corrosion, pitting, and chloride-induced stress, making it ideal for offshore, oil, gas, and petrochemical applications. Rated at Class 600 LB, it is designed for high-pressure service with secure, long-term sealing performance. The RF flanged ends provide easy installation and reliable connection integrity. Its trunnion-mounted ball design reduces operating torque and enhances stability under pressure. As a leading Double Block & Bleed Ball Valve Supplier from China, we provide durable, precision-engineered valve solutions for critical industrial operations.
Valve Description:
181302056 DBB Trunnion Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Bore Type: Full Bore or Reduced Bore
Sizes: 26 Inch, DN650
Nominal Class: Class 600 LB, PN100
Body Material: ASTM A182 F53, ASTM A182 F51, ASTM A105N, ASTM A182 F55, ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F304
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Test and Inspection: API 598, API 6D
Face to Face: ASME B16.10
Operation: Gear
Structure: Full Welded
End Connection: RF Flanged
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.
