ASTM A350 LF2 DBB Ball Valve, API 6D, 36 IN, F6A Trim, Flanged

This API 6D Double Block & Bleed (DBB) Ball Valve is designed for safe isolation and reliable performance in high-demand pipeline systems. Constructed with a tough ASTM A350 LF2 carbon steel body and durable ASTM A182 F6A trim, it offers excellent strength, wear resistance, and long service life. The double-ball configuration provides positive shutoff and effective pressure relief between seats. Featuring a 36-inch (DN900), Class 150 LB / PN20 rating with RF flanged ends, the valve ensures easy installation and secure connections. Gear operation allows smooth, controlled actuation. As a trusted DBB Ball Valve supplier in China, we deliver dependable, high-quality solutions for global projects.
 

Valve Description:
181302018 DBB Trunnion Mounted Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Nominal Size: 36 Inches, DN900
Nominal Class: 150 LB, PN20
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
Operation: Gear
Body Material: ASTM A350 LF2, ASTM A105N, ASTM A182 F51, ASTM A182 F304, ASTM A182 F316, ASTM A182 F53, F55, Inconel 625
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Bore Type: Full Bore or Reduced Bore
Structure: Full Welded
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: 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.