Bolted Bonnet Knife Gate Valve, ASTM A351 CF8M, PN10, Lug

Product Name: Bolted Bonnet Knife Gate Valve, Unidirectional
Body Material: ASTM A351 CF8M
Size: Customized
Pressure: PN10, Class 150 LB
End Connection: Lug Type
Operation: Handwheel

The knife gate valve is a unidirectional valve with a bonnet design. Its fully enclosed body-bonnet structure guarantees zero leakage from the knife gate to the surrounding environment. This valve is ideal for handling contaminated or hazardous media, ensuring safety for the surrounding area.

Technical Specification

» Structure: Bonneted Knife Gate Valve
» Nominal Diameter: NPS 2-24 Inch (DN50-DN600) 
» Design Pressure: PN10, PN16, Class 150 LB
» Max Working Pressure:
   DN50 to DN250: 10 bar
   DN300 to DN450: 7 bar
   DN500 to DN600: 4 bar
» Body Material: Ductile Iron, Carbon Steel, Stainless Steel, Special Alloys, etc. 
» Disc Material: Stainless Steel Chrome Plated, Special Alloys, etc.
» Seat Material: Stainless Steel + STL, EPDM (120°C), Viton (200°C), PTFE (200°C), NBR (80°C)
» Flange Standard: GB/T 9113.1, JB/T 79.1, HG 20592, ASME B16.5, EN 1092-1
» Face to Face: MSS SP-81
» Applications: Pulp & Paper, Water Treatment, Beverage & Food, Fine Chemicals, Power Plants, Steel Industry, etc.
» Temperature Range: -29°C to +538°C

Product Features

» Cast-in Guide Claws at the port bottom secure the gate, eliminating the risk of clogging and ensuring a tight seal by pushing the gate towards the seat in the closed position.
» Integral Body Design ensures easy assembly and zero shell leakage.
» Full Port Design minimizes pressure drop and maximizes flow capacity.
» Completely Enclosed Structure guarantees zero leakage from the valve, making it ideal for handling contaminated or hazardous media, ensuring safety for the surrounding area.
» Super Thin Body Design and compact construction enable easy installation.
» Beveled Knife Edge provides strong cutting force and tight sealing.
» Gate Thickness can be increased to handle higher pressure requirements.
» Replaceable Side-entry Seat reduces maintenance costs.
» L-shape Seat Retainer locks the seat into the valve body and prevents direct flow flushing.
» Stem Cover available to protect and extend the stem's service life.
» Two Thrust Bearings reduce torque for smoother operation.
» Grease Nipple for easy bearing lubrication.