DeZURIK Slurry Knife Gate Valves (KSL-LA) Long Body Design



DeZURIK Slurry Knife Gate Valves (KSL-LA) Long Body Design

Product Brochure



KSL-LA Slurry Knife Gate Valves are ideally suited for applications in the mining, power, and aggregate industries. The KSL-LA Slurry Valve features sleeves of natural rubber or other elastomers that are compressed by sleeve retainers that allow the valve to provide drip-tight shutoff. In addition, the KSL-LA valve features . . .

Bi-directional, drip tight shutoff to full pressure rating
Field replaceable sleeves with encapsulated supporting ring
Full port reduces turbulence and pressure drop across the valve
Sleeve compression eliminates cavity where solids can collect
Sleeve design eliminates the requirement for flange gaskets
Gate fully retracts out of the flow path in the open position
Full flanged design with flange drilling per ASME B16.5 Class 150, DIN and BS standards, PN10 and PN16, and SANS 1123-1000 and 1600 Australian Table D & E (AS 2129) available.

Body construction allows for easy repairs.
Sleeve design eliminates gate and stem packing.
Straight vertical plane superstructure allows for easy installation of accessories.
Open / Closed position lock-outs optional.
Optional gate coatings provide additional abrasion resistance and a non-stick (lubrication infused) surface that reduces actuating forces and extends sleeve life.
Integral Lifting Lugs standard on sizes 12″ (300mm) and larger.
Flushing drain plates available.


Size Range: 2-24″ (50-600mm) with larger sizes available on application

Pressure Rating: 100 psi CWP (690kPa), with higher pressures available with optional gate materials

Temperature Ratings: to 177°F (81°C) as standard, and up to 300°F (150°C) with high-temperature optional seat materials

Body Materials: Cast Ductile Iron, Carbon Steel and various Stainless Steel or higher alloy materials


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