API 6D Forged Ball Valves, DBB, F304, 18 IN, CL600, RF Flanged

This DBB forged ball valve is manufactured in accordance with API 6D requirements, designed for secure isolation in high-pressure pipeline systems. The valve features an ASTM A182 F304 stainless steel body and trim, offering excellent corrosion resistance, strength, and long-term reliability in demanding service conditions. With a large 18-inch size (DN450 / 450 mm) and a pressure rating of Class 600 LB, it is built for heavy-duty industrial applications. The full welded construction enhances structural integrity and minimizes leakage risks, while RF flanged ends ensure stable, tight pipeline connections. Produced by a professional China API 6D Forged Ball Valves Factory, it guarantees precision manufacturing and dependable performance.
 

Valve Description:
181302053 DBB Trunnion Ball Valve, Double Block and Bleed Ball Valve
Design Standard: API 6D, BS 5351
Sizes: 18 Inch, DN450, 450 mm
Nominal Class: Class 600 LB, PN100
Bore Type: Full Bore or Reduced Bore
Body Material: ASTM A182 F304, ASTM A350 LF2, ASTM A105N, ASTM A182 F55, F51, ASTM A182 F316, Inconel 625, ASTM A182 F53
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55, A105+ENP, LF2+ENP
Face to Face: ASME B16.10
Test and Inspection: API 598, API 6D
End Connection: RF Flanged
Structure: Full Welded
Operation: Gear
Seat Insert: RPTFE, DEVLON, NYLON, PEEK

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.