Key Specifications / Features
This DBB Ball Valve features a trunnion mounted design for reliable sealing and stable performance in high-pressure pipeline systems. Manufactured with an ASTM A182 F316 body and trim, it offers excellent corrosion resistance, strength, and durability in demanding industrial applications. Sized at 20 inches, DN500 (500 mm), and rated Class 2500 LB, this valve is designed for severe service conditions. The RTJ flanged ends ensure secure, leak-tight connections, while gear operation provides smooth and efficient opening and closing. As a leading Full Welded Ball Valve factory in China, we deliver high-quality valve solutions engineered for safety, long service life, and dependable performance.
Valve Description:
181302117 DBB Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Structure: Full Welded
Body Material: ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F53, ASTM A182 F51, ASTM A182 F304, ASTM A105N, ASTM A182 F55
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Sizes: 20 Inches, DN500, 500 mm
Pressure: Class 2500 LB, PN420
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
Operation: Gear
Bore Type: Full Bore or Reduced Bore
End Connection: RTJ 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 - 48 Inch (DN15 - DN1200)
Pressure Range: 150 - 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.
