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WAM VL Series Slide Gate Valve – VL

The perfect solution for isolating or intercepting material flow out of hoppers, silos and bins. For use with handling powder and granular materials, suitable for all industrial sectors and the food industry.

WAM Slide Valves - VL

VL-type Slide Valves consist of a two-piece carbon or stainless steel frame partly coated with WAM’s SINT engineering polymer composite, as well as a sliding blade manufactured from SINT engineering polymer, carbon steel or stainless steel. The use of the unique SINT engineering polymer composites considerably increases resistance to abrasion as compared to traditional valves. Moreover, it avoids the use of flange gaskets.

VL Slide Valves are available in a variety of configurations including rectangular sizes. In the VLQ version the valves come with a square, in the VLC version with a circular open cross section, whereas in the VLR-version it is rectangular. The VLS version with square cross section has a pneumatic actuator integrated in its frame.


  • Easy to handle
  • Highly abrasion-resistant
  • Easy and quick to fit
  • Safe sealing with no additional measures due to the all-round dustproof seal lips integrated into the polymer coating
  • Valve frames entirely coated with SINT engineering polymer composite (food-grade, FDA/EN-approved on request)
  • Absence of pinch points and exposed moving parts ensures safe operation
  • Horizontal or vertical mounting
  • Efficient sealing against fine powders and dust
  • Integrated service inlet to deflect material away from seals and rollers, thus reducing wear
  • Interchangeable actuators: manual, pneumatic, electric gear motor


  • Low-friction sliding blade fully SINT polymer-coated in standard version
  • Depending on application, blades manufactured from various materials
  • Limited number of parts make dismantling and reassembly of the valve easy
  • VLS with pneumatic actuator integrated inside valve frame offering smallest possible overall dimensions



Square Cross Section Valves

  • VLQ0150
  • VLQ0200
  • VLQ0250
  • VLQ033
  • VLQ0350
  • VLQ0400


Round Cross Section Valves

  • VLC0150
  • VLC0200
  • VLC0250
  • VLC0300
  • VLC0350
  • VLC0400


Rectangular Cross Section Valves

  • VLR0150
  • VLR0200
  • VLR0250
  • VLR0300


Slive Valve with Internal Actuator

  • VLS0150
  • VLS0200
  • VLS0250
  • VLS0300


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