API 6D Double Ball Valves, F316, Trunnion-Mounted, 42 Inches

This Trunnion-Mounted Double Ball Valve is designed for reliable isolation and long-term performance in large-diameter pipeline systems. Manufactured to API 6D standards, it features a corrosion-resistant ASTM A182 F316 stainless steel body, providing excellent strength and durability in demanding environments. The 42-inch (DN1050), Class 150 LB / PN20 rating ensures suitability for low-pressure, high-flow applications. Equipped with RF flanged ends for secure installation and gear operation for smooth, controlled actuation, the valve delivers dependable sealing and operational stability. As a trusted China double ball valve supplier, we provide high-quality solutions for global industrial projects.
 

Valve Description:
181302020 DBB Trunnion Mounted Ball Valve, Double Block & Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 42 Inch, DN1050
Nominal Class: 150 LB, PN20
Bore Type: Full Bore or Reduced Bore
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
Body Material: ASTM A182 F316, ASTM A182 F304, ASTM A350 LF2, ASTM A105N, ASTM A182 F51, ASTM A182 F53, F55, Inconel 625
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Operation: Gear
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.