Key Specifications / Features
This trunnion-mounted ball valve is manufactured in accordance with BS 5351 and API 6D standards, ensuring reliable performance in critical pipeline applications. Featuring an ASTM A182 F304 stainless steel body with LF2+ENP trim, it delivers excellent corrosion resistance, strength, and long-term sealing integrity. The 3-inch (DN80) valve is rated for Class 300 LB (PN50) and equipped with RF flanged ends for secure, leak-tight installation. Lever operation provides smooth, precise on–off control with low operating torque. Ideal for oil and gas, petrochemical, and industrial process systems, it offers durability, safety, and consistent performance. As a leading China DBB trunnion ball valve supplier, we provide dependable quality, customization, and competitive solutions worldwide.
Valve Description:
181302024 DBB Trunnion Ball Valve, Double Block and Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 3 Inches, DN80
Nominal Class: Class 300 LB, PN50
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Structure: Full Welded
Operation: Lever
Bore Type: Full Bore or Reduced Bore
Body Material: ASTM A182 F304, ASTM A350 LF2, ASTM A105N, ASTM A182 F51, ASTM A182 F316, ASTM A182 F53, F55, Inconel 625
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
End Connection: RF Flanged
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.
