Key Specifications / Features
This Trunnion-Mounted Double Block & Bleed Ball Valve is manufactured in accordance with API 6D and BS 5351 standards, ensuring dependable isolation and safety in high-pressure pipeline systems. The ASTM A182 F53 super duplex stainless steel body provides exceptional mechanical strength and outstanding resistance to corrosion, making it suitable for severe service conditions. Equipped with a durable F6A trim, the valve delivers reliable sealing and long-term wear resistance. Designed in 8 inches with a Class 600 LB rating, RF flanged ends, and gear operation, it ensures smooth torque control and stable performance.
As a leading Double Block & Bleed Ball Valve Supplier from China, we provide high-quality valves engineered for reliability, safety, and extended service life.
Valve Description:
181302048 DBB Trunnion Mounted Ball Valve
Design Standard: API 6D, BS 5351
Structure: Full Welded
Sizes: 8 Inches, DN200, 200 mm
Nominal Class: 600 LB, PN100
Bore Type: Full Bore or Reduced Bore
End Connection: RF Flanged
Operation: Gear
Body Material: ASTM A182 F53, ASTM A182 F51, ASTM A105N, ASTM A182 F316, ASTM A350 LF2, Inconel 625, ASTM A182 F304, F55
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Face to Face: ASME B16.10
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 - 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.
