Double Block Trunnion Ball Valve, API 6D, A182 F316, 12 Inch

The Trunnion-Mounted Double Block & Bleed (DBB) Ball Valve is engineered for high-performance pipeline applications, meeting API 6D standards. Its ASTM A182 F316 body provides exceptional corrosion resistance and strength, while the F304 trim ensures durability and smooth operation. This 12-inch (DN300, 300 mm), Class 150 LB valve features RF flanged ends and a fully welded design for secure, leak-proof performance under demanding conditions. Ideal for oil, gas, and industrial systems, it offers reliable isolation and bleeding functions. As a leading Double Block & Bleed Ball Valve supplier in China, we deliver premium, high-quality valves built to global standards.
 

Valve Description:
181302008 Trunnion-Mounted Ball Valve, DBB Ball Valve
Design Standard: BS 5351, API 6D
Structure: Full Welded
Nominal Size: 12 Inch, DN300, 300mm
Nominal Class: Class 150 LB, PN20
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Bore Type: Full Bore or Reduced Bore
Body Material: ASTM A105N, ASTM A350 LF2, ASTM A182 F304, F316, F51, F53, F55, Inconel 625
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
End Connection: RF Flanged
Operation: Gear
Face to Face: ASME B16.10
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: 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.