ASTM A351 CF8 Knife Gate Valve, DN100, PN10, 4 Inch, Wafer

Key Specifications / Features

The ASTM A351 CF8 Knife Gate Valve features a stainless steel body, offering excellent corrosion resistance. With a size of DN100 (4 inches) and a pressure rating of PN10 (Class 150 LB), it provides reliable bidirectional shutoff. The valve is designed with wafer ends for secure installation and is ideal for flow control in various industrial applications.

The Bidirectional Knife Gate Valve is designed for reliable shutoff and efficient flow control in both directions. Its maintenance-free compact cross seal, with a double seal lip profile, ensures a tight shutoff, adjustable without interrupting operations. The valve features a self-cleaning effect with flush-out corners in the body and a cutting edge underneath the gate, allowing solids and fibers to be cut before sealing. The lateral gate surfaces and elastic seat provide bidirectional shutoff, while the high finish of the guide and sealing surface ensures long service life and tight shutoff. The gate’s lateral guidance prevents fluttering, even in throttle positions.

Technical Specifications

» Structure: Bidirectional Knife Gate Valve
» Nominal Diameter: NPS 2-16 Inch (DN50-DN400)
» Design Pressure: PN10, PN16, Class 150 LB
» Temperature Range: -29°C to 120°C
» Max Working Pressure:
   DN50-DN250: 10 bar
   DN300-DN450: 7 bar
   DN500-DN600: 4 bar
» Body Material: GGG40, ASTM A351 CF8, CF8M, Special Alloys
» Disc Material: Stainless Steel Chrome Plated, Special Alloys
» Seat Material: EPDM (120°C), NBR (80°C)
» Flange Standards: GB/T 9113.1, JB/T 79.1, HG 20592, ASME B16.5, EN 1092-1
» Face to Face: MSS SP-81
» Operation: Manual, Pneumatic, Electric, Hydraulic
» Ends Connections: Wafer Type

Product Features

» Bidirectional 
» Split Body 
» Flatness knife 
» Light torque 
» Support yoke
» Epoxy coating-Fusion bonded paint 
» Sealing type