ASTM A351 CF8M ball valve is a stainless steel ball valve with a high-pressure rating of 1000 PSI (PN63, nominal pressure 6.3 MPa), making it suitable for demanding fluid control systems such as industrial pipelines and high-pressure water supply/drainage.
Structural Features
Frictionless Operation:
Eliminates seal wear caused by friction between sealing surfaces, ensuring long-term sealing reliability.
Top-Entry Design:
Allows online inspection and maintenance without removing the valve from the pipeline, reducing downtime and costs.
Single-Seat Design:
Prevents abnormal pressure buildup in the valve cavity, enhancing operational safety.
Low-Torque Operation:
Features a special stem design that enables easy opening/closing with a small handwheel, even under high pressure.
Wedge Seal Mechanism:
The ball is mechanically wedged onto the seat via the stem, ensuring consistent sealing performance regardless of pipeline pressure fluctuations.
Self-Cleaning Seal Faces:
When the ball disengages from the seat, fluid flows 360° uniformly across the sealing surface, removing debris and preventing localized erosion.
Order specification
Type: Ball Valve.
Material: ASTM A351 CF8.
Size: DN20.
Class: 1000 PSI.
Seat: PTFE Filled with 15% Glass Fiber.
Packing: PTFE.
Stem: SS316.
Locked Device: SS304.
Materials of Main Parts
Dimensions (mm)
