Key Specifications / Features
This DBB trunnion-mounted ball valve is engineered for high-integrity isolation in critical pipeline systems. Designed to API 6D standards, it features a double ball configuration to ensure reliable double block and bleed performance and enhanced operational safety. The fully welded construction with an Inconel 625 body provides exceptional strength, corrosion resistance, and durability in aggressive and high-temperature environments. Equipped with LF2+ENP trim for superior wear resistance, the valve is supplied in 30 inches (DN750, 750 mm), Class 150 LB, with RF flanged ends for secure installation. As a leading DBB trunnion-mounted ball valve provider in China, we deliver precision-manufactured, dependable flow control solutions for global oil, gas, and industrial applications.
Valve Description:
181302016 DBB Trunnion-mounted Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 30 Inches, DN750, 750mm
Nominal Class: Class 150 LB, PN20
Operation: Gear
Test and Inspection: API 598, API 6D
Structure: Full Welded
Face to Face: ASME B16.10
Bore Type: Full Bore or Reduced Bore
Body Material: Inconel 625, ASTM A182 F55, ASTM A182 F53, ASTM A182 F51, ASTM A105N, ASTM A350 LF2, ASTM A182 F304, ASTM A182 F316
Trim Material: ASTM A182 F6A, 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: 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.
