Key Specifications / Features
This DBB Trunnion Ball Valve is engineered in accordance with API 6D standards, featuring a robust ASTM A182 F316 body and trim for superior corrosion resistance and long-term reliability. Designed in 4 inch (DN100 / 100 mm) size with a Class 300 LB pressure rating, it ensures dependable isolation in demanding industrial applications. The RF flanged ends provide secure, leak-tight connections, while lever operation enables smooth, efficient flow control. Built for durability and precise performance, this valve is ideal for oil, gas, and process systems. As a leading DBB Trunnion Ball Valve Manufacturer from China, we deliver quality, reliability, and customized solutions.
Valve Description:
181302025 DBB Trunnion Ball Valve, Double Block and Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 4 Inch, DN100, 100 mm
Nominal Class: Class 300 LB, PN50
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Structure: Full Welded
Operation: Lever
Test and Inspection: API 598, API 6D
Bore Type: Full Bore or Reduced Bore
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
Face to Face: ASME B16.10
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.
