Zhejiang Guanli Valve Co.,Ltd


Knife Gate Valves

Heavy Duty Slurry Knife Gate Valves

heavy duty slurry Knife Gate Valves is Bi-directional soft seated . The body can be ductile iron .

Products Details

heavy duty slurry Knife Gate Valves is Bi-directional soft seated. The body can be ductile iron . Seats are available in EPDM, NR, Viton, Cr to suit a variety of applications. The seat can be easily replaced in the field.


• 100% Isolation; bubble-tight shut-off

results in absolutely zero downstream


• Double-seated design provides

bidirectional flow and shut-off.

• Unobstructed flow eliminates turbulence,

minimizes pressure drop across valve.

• No seat cavity where solids can collect

and prevent full gate closure.

• Dynamic self-adjusting secondary seal.

• No gate or stem packing is required,

eliminating packing leakage and


• No metal parts in contact with the flowing


• Manual valves have stem protection tube

• Gearbox included on DN250 and above






Actuation:hand wheel/Bevel Gear/Air Cylinder/Hydraulic Cylinder/Electric actuator

Technical date

Size Range: DN50 to 800

Standard Pressure Ratings:  2" to 16" rated to 150 psi CWP 18" to 24" rated to 90 psi CWP

Flanged to suit :EN1092 /ASME B16.5/AS4087/JIS

Guanli Valve is well-known as one of the largest heavy duty slurry knife gate valves manufacturers and suppliers in China. We have been focused on various valves since 1992 and owned good reputation. Please rest assured to buy the quality valves in stock from our factory.

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Address: Industrial Park Pu Road, Dong'ou, Yongjia County, Wenzhou City, Zhejiang Province
Tel: +86-577-21816088
Fax: +86-577-67928166
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