Trunnion Mounted Ball Valve, F304, 18 IN, 2500 LB, RTJ Flanged

The DBB ball valve is designed in accordance with API 6D, providing reliable double block and bleed isolation for critical pipeline systems. The valve body and trim are manufactured from ASTM A182 F304, offering excellent strength and corrosion resistance. This model features a large 18-inch (DN450 / 450 mm) size with a Class 2500 LB / PN420 pressure rating, making it suitable for high-pressure oil, gas, and petrochemical applications. The RTJ flanged ends ensure secure installation and superior sealing performance under demanding conditions. As a leading trunnion mounted ball valve supplier in China, we provide high-quality, durable valve solutions designed for safety, reliability, and long-term industrial service.
 

Valve Description:
181302116 DBB Ball Valves, Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 18 Inch, DN450, 450 mm
Pressure: Class 2500 LB, PN420
Body Material: ASTM A182 F304, ASTM A105N, ASTM A182 F55, ASTM A182 F51, ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F53
Bore Type: Full Bore or Reduced Bore
Trim Material: ASTM A182 F304, ASTM A182 F6A, ASTM A182 F316, F51, F53, F55, A105+ENP, LF2+ENP
Structure: Full Welded
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
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.