Key Specifications / Features
This 3-inch (DN80) DBB Trunnion Ball Valve is manufactured to API 6D standards, featuring a corrosion-resistant ASTM A182 F304 body with A182 F316 trim for enhanced durability and chemical compatibility. Rated at Class 150 LB / PN20, it is equipped with RF flanged ends for secure installation in pipeline systems. The valve is available with RPTFE, DEVLON, or PEEK seats, ensuring excellent sealing performance, low torque operation, and long service life under demanding conditions. As a leading DBB trunnion ball valve factory from China, we deliver reliable, high-quality solutions for global applications.
Valve Description:
181302003 DBB Trunnion Mounted Ball Valve
Design Standard: BS 5351, API 6D
Structure: Full Welded
Nominal Size: 3 Inch, DN80, 80mm
Nominal Class: Class 150 LB, PN20
Bore Type: Full Bore or Reduced Bore
Operation: Lever
Body Material: ASTM A105N, ASTM A350 LF2, F304, F316, F51, F53, F55, Inconel 625
Trim Material: ASTM A182 F6A, ASTM A182 F304, ASTM A182 F316, F51, F53, F55, A105+ENP, LF2+ENP
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
End Connection: RF Flanged
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: 150 - 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.
