DeZURIK Slurry Knife Gate Valves (KSL-LA)

DeZURIK KSL-LA Slurry Knife Gate Valves are engineered for reliable isolation of abrasive, high-solids, wet or dry media in demanding mining, power and aggregate applications. Featuring a long-body design, packingless construction and field-replaceable elastomer sleeves, KSL-LA valves provide bi-directional drip-tight shutoff, full-port flow, reduced pressure drop and extended service life.

Description

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 of 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) are 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 are available
  • 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 are available

Specification

  • BODY MATERIAL:
    Cast Ductile Iron, Carbon Steel and various Stainless Steel or higher alloy materials
  • PRESSURE RATING:
    100 psi CWP (690kPa), with higher pressures available with optional gate materials
  • SIZE RANGE:
    2-24″ (50-600mm) with larger sizes available on application
  • TEMPERATURE RANGE:
    to 177°F (81°C) as standard, and up to 300°F (150°C) with high-temperature optional seat materials

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