Knife gate valve
SLH & SLX

These push through slurry knife gate valves are designed to operate and provide bi-directional tight seal in high pressure and demanding mineral processing applications, typically slurry tailing systems.

The SLH is designed to operate and provide a bi-directional tight seal up to 20 bar while the SLX has the features for 50 bar. They are modular designed and can easily be customized with actuators and related automation accessories to different process conditions. They are also available with mechanical lock out. As standard, the SLH and SLX comes with heavy duty, two-piece fully lugged valve bodies in nodular iron. Gates are provided in high strength stainless steel, special grinded and hard anti-stick coated with purpose of reducing friction when they cycle through the valves rubber seats.

In addition to these slurry valves, Stafsjö also offers the compact SLV up to DN 900 and another wide body slurry valve, the SLF, up to DN 800.

Download the product data sheet for additional technical information.