Double Block & Bleed Ball Valve, ASTM A182 F53, 8 IN, CL300

This Trunnion Mounted Double Block & Bleed Ball Valve is designed to API 6D and BS 5351 standards, ensuring reliable isolation and safety in critical pipeline systems. Constructed with ASTM A182 F53 super duplex stainless steel body and trim, it delivers exceptional strength, corrosion resistance, and long service life in aggressive environments. The valve is supplied in 8 inch (DN200 / 200 mm) size with a Class 300 LB pressure rating and RF flanged ends for secure, leak-tight installation. Gear operation provides smooth, controlled actuation. As a leading Double Block & Bleed Ball Valve Factory in China, we offer quality, performance, and customized solutions.
 

Valve Description:
181302027 DBB Trunnion Mounted Ball Valve, Double Block and Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 8 Inches, DN200, 200 mm
Nominal Class: Class 300 LB, PN50
Bore Type: Full Bore or Reduced Bore
Structure: Full Welded
Face to Face: ASME B16.10
Operation: Gear
Test and Inspection: API 598, API 6D
Seat Insert: RPTFE, DEVLON, NYLON, PEEK
Body Material: ASTM A182 F53, ASTM A182 F51, ASTM A182 F316, ASTM A182 F304, ASTM A350 LF2, ASTM A105N, F55, Inconel 625
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
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.