ASTM A182 F55 DBB Ball Valves, API 6D, BS 5351, 28 IN, CL150

This DBB trunnion-mounted ball valve is designed for high-integrity isolation in critical pipeline applications. Manufactured in accordance with API 6D and BS 5351, it provides reliable double block and bleed performance for enhanced safety and leak prevention. The robust ASTM A182 F55 duplex stainless steel body offers excellent strength and corrosion resistance, while the A105+ENP trim ensures superior wear resistance and long service life. Supplied in 28-inch size (DN700, 700 mm), Class 150 LB, with RF flanged ends and gear operation, it guarantees stable control and secure installation. As a professional DBB trunnion ball valves factory from China, we deliver precision-engineered, dependable flow control solutions worldwide.
 

Valve Description:
181302015 DBB Trunnion Ball Valve, Double Block and Bleed Ball Valve
Design Standard: API 6D, BS 5351
Nominal Size: 28 Inch, DN700, 700 mm
Nominal Class: Class 150 LB, PN20
Bore Type: Full Bore or Reduced Bore
Test and Inspection: API 598, API 6D
Structure: Full Welded
Face to Face: ASME B16.10
Body Material: ASTM A182 F55, ASTM A182 F53, ASTM A182 F51, ASTM A105N, ASTM A350 LF2, ASTM A182 F304, ASTM A182 F316, Inconel 625
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Operation: Gear
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.