The WEY Knife Gate Valves stand for bi-directional zero-leakage shut-off, qualifies for all Liquids/ Slurry and Solid applications of various consistencies and have taken a leading international position du to their wide range of applications. Wey Knife Gate Valves have proven records in wastewater treatment plants, in pulp and paper, food and beverage, chemical and petrochemical industries, silo works and bulk material handling, mining and energy plants, in oil sand extraction and dust explosion prevention.Safe process capability thanks to Bidirectional Zero-Leakage shut- off on pressure and vacuum which are Corrosion Resistant.Failure-free operation due to Self Flushing and Full-bore Passage Designed for perfect flow pattern with optimized gate edge geometry.


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    Technical Specification

    •Size : DN 50 – DN 1400, larger size on request
    •Seal : NBR, EPDM, FPM, PUR, AFLAS, PTFE, Ceramic
    •Flange drilling :EN 1092, ASME B16.5/B16.47 class 150/300
    •Material :Cast iron EN-JL1040, Ductile iron EN-JS1030/1072,Cast steel, Stainless steel 1.4408, Duplex 1.4470, Titanium, Hastelloy, Aluminum, others
    •Pressure rating / Vacuum : 10 bar, 16 bar, 25 bar, 40 bar,100 bar / to 10 mbar absolute
    •Temperature :-50 to 230°C at Max. Operating pressure and 240 to 400°C at atmospheric pressure
    •Positioner : On/ Off Valve and Controlling Valve


•Metal Slurry
•Ash Slurry
•Solids/Powders and Liquid applications
•Suitable for Corrosive and Abrasive applications