3 Piece Trunnion Ball Valve, API 6D, A105N, 16 IN, CL300, RF

The 3 Piece Trunnion Mounted Ball Valve Supplier offers a high-quality valve designed to API 6D standards, featuring an ASTM A105N forged carbon steel body. This valve has a 16-inch (DN400) size and a pressure rating of 300 LB (PN50), making it suitable for demanding industrial applications. It features RF flanged ends for secure connections and is operated via a gearbox for reliable control. The trunnion-mounted design ensures the ball remains securely in place under high pressure, providing smooth operation and long service life.

Product Name: 3 Piece Trunnion Ball Valve
Type: Trunnion Mounted Ball Valve
Design Standard: API 6D
Body Material: ASTM A105N
Size: 16 Inch, DN400
Pressure: Class 300 LB, PN50
End Connection: RF Flanged
Operation: Gearbox
Medium: Water, Oil, Gas, etc
Temperature Range: -46°C to 120°C

Trunnion-Mounted Ball Valves offer easy and smooth operation even at high line pressures. These valves feature carefully aligned bearings that assist in low-torque operation. The ball is securely positioned yet free to rotate, ensuring reliable performance.
All Cast Trunnion Ball Valves are manufactured with high-quality castings and feature a fire-safe design certified according to BS 6755, API 607, and API 6FA. They meet all applicable ASME standards.
Cast Steel Trunnion Ball Valves are available in two configurations: Two-Piece Split Body and Three-Piece Bolted Body. These valves are designed and manufactured to the latest international standards, including API 6D, ASME B16.34, and BS 5351 or their equivalents. They come with standard features such as fire safety, anti-static properties, and stem blow-out prevention.

Technical Specification

» Size Range: NPS 2-48 Inch (DN50-DN1200)
» Design Pressure: Class 150-2500 LB (PN10-PN420)
» Body Materials: Cast Carbon Steel, Stainless Steel, Duplex, and Special Alloys
» Trim Materials: 13%Cr, SS 304, SS 304L, SS 316, SS 316L, and other options
» Seat Materials: RPTFE, DEVLON, PEEK
» End Connections: Flanged RF/RTJ, Butt Welded
» Operation Types: Handle, Worm Gear, Electric, Pneumatic
» Design & Manufacturing Standards: API 6D, BS 5351, ASME B16.34
» Face-to-Face Dimensions: ASME B16.10
» Flanged Connections: ASME B16.5, ASME B16.47
» Welded Ends: ASME B16.25
» Testing & Inspection: API 598, API 6D
» Fire Safety Compliance: API 607, API 6FA

Structural Diagram

Product Features

» Double Block and Bleed (DBB)
» Low Operating Torque
» Emergency Sealing Device
» Fireproof Structure Design
» Anti-static Structure
» Reliable Seat Sealing Structure
» Single Sealing (Automatic Pressure Relief in Middle Cavity of Valve)
» Double Sealing (Double Piston)
» Safety Relief Device
» Special Structure for Automatic Pressure Relief Towards Upstream
» Blow-out Proof Stem
» Corrosion Resistance and Sulfide Stress Resistance
» Optional Locking Device or Stem Extension
» Optional Direct Mounting to ISO 5211
» Full Port or Reduced Bore