BS 5351 DBB Ball Valves, ASTM A105N, DN800, PN100, RF Flanged

Designed for demanding high-pressure applications, this DBB trunnion-mounted ball valve is manufactured in accordance with BS 5351 standards, ensuring robust performance and structural integrity. The valve features a forged ASTM A105N carbon steel body for excellent strength and pressure resistance, paired with F55 duplex stainless steel trim that delivers superior corrosion resistance and durability in aggressive media. Sized at DN800 (32 Inch) with a PN100 / Class 600 LB pressure rating, it is equipped with RF flanged ends for secure installation and a full-welded body to enhance sealing reliability. Gear operation enables smooth, controlled actuation. As a leading DBB Trunnion Ball Valves Manufacturer from China, we deliver high-performance, precision-engineered flow control solutions.
 

Valve Description:
181302059 DBB Trunnion Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 32 Inch, DN800
Nominal Class: Class 600 LB, PN100
Structure: Full Welded
Body Material: ASTM A105N, ASTM A182 F51, ASTM A182 F55, ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F53, ASTM A182 F304
Face to Face: ASME B16.10
Bore Type: Full Bore or Reduced Bore
Operation: Gear
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Test and Inspection: API 598, API 6D
End Connection: RF Flanged
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.