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Ball Valves

Stainless Steel Trunnion Mounted Ball Valve, API 6D, Class 150/300

API 6D stainless steel trunnion ball valve for low-torque isolation in Class 150/300 large-bore service.

Quick Specifications

Type Stainless steel trunnion-mounted ball valve
Size NPS 2–24 (DN50–DN600)
Material CF8M / stainless steel body and trim; PTFE/RPTFE seats
Pressure ASME Class 150 / 300
Connection ASME B16.5 RF flanged; RTJ/BW options by configuration
Temperature −29 to 200 °C with soft seats (pressure derates with temperature)

Product Overview

Trunnion support stabilizes the ball at two points and reduces operating torque on large-bore or higher-pressure valves. Stainless steel construction is selected for corrosion resistance in process and pipeline installations.

Specifications

Model TRUNNION-SS-API6D-150/300
Design Standard API 6D / API 608; ASME B16.34; API 598
Size Range NPS 2–24 (DN50–DN600)
Pressure Rating ASME Class 150 / 300
Body Material CF8M / stainless steel body and trim; PTFE/RPTFE seats
End Connection ASME B16.5 RF flanged; RTJ/BW options by configuration
Temperature Range −29 to 200 °C with soft seats (pressure derates with temperature)
Typical Application Corrosive oil & gas, chemical and large-bore process piping
Operation Gear operated; pneumatic/electric/hydraulic actuation optional
Inspection & Documentation Hydrostatic shell & seat test; dimensional drawing, material certificate and COC available on request