ASTM A350 LF2 DBB Ball Valves, API 6D, 18 IN, Trunnion-Mounted

This trunnion-mounted ball valve is engineered for reliable isolation in demanding pipeline applications. Manufactured in accordance with API 6D and BS 5351 standards, it features a durable ASTM A350 LF2 carbon steel body with corrosion-resistant A182 F304 stainless steel trim for long-term performance. The 18-inch (DN450 / 450 mm) valve is rated Class 150 LB and supplied with RF flanged ends for secure, leak-tight installation. Designed for stable operation under high loads, it delivers smooth, precise control. As a leading DBB ball valves factory in China, we provide dependable quality, competitive pricing, and customized valve solutions.
 

Valve Description:
181302011 Trunnion Mounted Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Structure: Full Welded
Nominal Size: 18 Inch, DN450, 450mm
Nominal Class: Class 150 LB, PN20
Bore Type: Full Bore or Reduced Bore
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
Operation: Gear
Body Material: ASTM A350 LF2, ASTM A105N, ASTM A182 F304, ASTM A182 F316, ASTM A182 F51, ASTM A182 F53, ASTM A182 F55, Inconel 625
Trim Material: ASTM A182 F6A, ASTM A182 F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
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: 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.