Trunnion Mounted Ball Valves, DBB, A105N, 14 IN, CL900, RTJ

This Double Block & Bleed (DBB) ball valve is designed in accordance with API 6D and BS 5351 standards to ensure safe and reliable isolation in critical pipeline systems. Manufactured with a high-strength ASTM A105N carbon steel body and durable F6A stainless steel trim, it provides excellent mechanical performance and wear resistance. The 14-inch (DN350) valve features RTJ flanged ends for secure, leak-tight installation in high-pressure applications. Its robust trunnion-mounted design ensures stable operation and reduced torque. As a leading trunnion mounted ball valve supplier in China, we deliver dependable solutions tailored to demanding industrial requirements.
 

Valve Description:
181302072 DBB Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 14 Inch, DN350, 350 mm
Pressure: Class 900 LB, PN150
Structure: Full Welded
Body Material: ASTM A105N, Inconel 625, ASTM A182 F53, ASTM A182 F316, ASTM A350 LF2, ASTM A182 F51, ASTM A182 F55, ASTM A182 F304
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Operation: Gear
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
End Connection: RTJ Flanged
Bore Type: Full Bore or Reduced Bore

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.