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Slurry Knife Gate Valve (KSL-LA) Long Body Design


Technical Information

DeZURIK’s KSL-LA Slurry Knife Gate Valves are designed for on-off (isolation) service for applications consisting of abrasive, high solids content, wet or dry media.


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 K  SL-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.

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


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