Double Block & Bleed Ball Valve, A182 F51, 48 IN, CL600, RF

Trunnion mounted ball valve engineered to API 6D and BS 5351 standards, featuring a robust ASTM A182 F51 duplex stainless steel body for superior strength and corrosion resistance. The valve is equipped with LF2 trim enhanced by electroless nickel plating (ENP), ensuring excellent wear resistance and extended service life in demanding conditions. Sized at 48 inch (DN1200) with a pressure rating of Class 600 LB / PN100, it delivers reliable performance in high-pressure oil, gas, and industrial pipeline systems. RF flanged ends provide secure, leak-tight connections and simplified installation. As a leading Double Block & Bleed Ball Valve Manufacturer in China, we deliver quality, durability, and precision engineering.
 

Valve Description:
181302063 DBB Trunnion Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 48 Inch, DN1200
Nominal Class: Class 600 LB, PN100
Structure: Full Welded
Body Material: ASTM A182 F51, ASTM A105N, ASTM A182 F55, ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F53, ASTM A182 F304
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Face to Face: ASME B16.10
Bore Type: Full Bore or Reduced Bore
Operation: Gear
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.