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Slide Gates - Engineered Equipment - KWS

Slide Gates

KWS Slide Gates are used to control the discharge of bulk materials from hoppers, bins, silos or conveyors. A slide gate consists of a rigid frame with a slide plate located inside the frame that opens and closes against the flow of the bulk material. The slide plate can be actuated manually, pneumatically, electrically or hydraulically. KWS slide gates can be provided as a stand-alone component or as part of a complete bulk material handling system.

Engineering Guide Industry Solutions Diverter Gates

37-Inch by 37-Inch Electrically Operated Slide Gate – Stainless Steel Construction

Slide Gates - KWS Manufacturing

Typical Applications for Slide Gates

  • Located at intermediate discharge points on screw conveyors for evenly loading trucks
  • Located at the discharge of a larger silo to cut-off the flow of bulk materials to a screw feeder
  • Located below a centrifuge to divert liquids to a drain and solids to downstream shaftless screw conveyors

KWS Slide Gates make plant layout much more efficient. Intermediate discharge points with slide gates can be added to a screw conveyor so several different process lines can be fed with bulk materials by opening and closing KWS slide gates as required.

KWS Slide Gates are custom designed for your application based on proven design standards. Bulk materials ranging from free-flowing cement to sluggish dewatered biosolids can be controlled using KWS Slide Gates.

13-Inch by 13-Inch Pneumatically Operated Carbon Steel Slide Gate – Carbon Steel Construction

Slide Gates - KWS Manufacturing

Available Features / Options

  • Wide Range Of Construction Materials – Carbon and Stainless Steel For Every Application
  • Heavy-Duty Rollers With Anti-Friction Bearings For Withstanding Head Loads
  • Heavy-Duty Structural Frames For Greater Rigidity
  • High Force Actuators To Cut Through Upset Conditions
  • Dust-Tight Construction To Eliminate Dust Emissions
  • Standard CEMA slide gates
  • Heavy-duty maintenance gates
  • Dewatering gates
  • Shut-off gates for hoppers

Available Configurations

KWS slide gates are used to control the flow of bulk materials in thousands of conveying and processing applications. KWS is an ISO 9001:2015 certified manufacturer. Every component and assembly is manufactured in the USA by highly skilled craftsmen. All KWS welders are certified in accordance with American Welding Society (AWS) Codes. KWS Slide Gates are manufactured to rigid quality standards.

Slide Gates Design Worksheets

Resources for Slide Gates

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Dewatered Biosolids Load Out System for WSSC Piscataway Bioenergy Project

Problem Solvers

Dewatered Biosolids Load Out System for WSSC Piscataway Bioenergy Project

KWS Shafted Screw Conveyors were used for the biosolids conveying. Screws were constructed from abrasion-resistant material to increase wear life.

Wet Sugar Bucket Elevator for Amalgamated Sugar

Problem Solvers

Wet Sugar Bucket Elevator for Amalgamated Sugar

The new KWS bucket elevator was designed to fit the exact same footprint as the existing unit but with an increased capacity of 50-percent.

Special Rack & Pinion Slide Gate for Extreme Head Load

Problem Solvers

Special Rack & Pinion Slide Gate for Extreme Head Load

The new KWS slide gates were designed to operate with a massive hopper full of lime. The force on the gate was calculated at over 5,000-lbs.

Screw Conveyor with Low Profile Slide Gates

Problem Solvers

Screw Conveyor with Low Profile Slide Gates

KWS designed and provided nine low profile slide gates to fit in the limited vertical space while retaining the benefits of the standard KWS solution.

Loadout Conveyors for Poultry Processing Plant

Problem Solvers

Loadout Conveyors for Poultry Processing Plant

With the experience of our design team and high-quality equipment, KWS provided the right solution with a short lead time.

Complete Loadout System for Dewatered Biosolids Dryer Project

Problem Solvers

Complete Loadout System for Dewatered Biosolids Dryer Project

KWS supplied a complete storage and load out system for the project including two 40-cubic yard storage hoppers with screw feeders.

Dewatered Biosolids Load Out System for Westminster Wastewater Treatment Facility in Westminster, CO

Problem Solvers

Dewatered Biosolids Load Out System for Westminster Wastewater Treatment Facility in Westminster, CO

KWS worked very closely with a team to design a system that met the requirements of the process and fit in the available space at the plant.

Complete Load Out System for Furnace Dust at Rio Tinto Kennecott in Magna, UT

Problem Solvers

Complete Load Out System for Furnace Dust at Rio Tinto Kennecott in Magna, UT

Working with Jenike & Johanson, KWS provided the hopper and twin-screw feeder using proven mass-flow technologies.

Metering Hot Lime from Silo at International Paper in Ticonderoga, NY

Problem Solvers

Metering Hot Lime from Silo at International Paper in Ticonderoga, NY

The new KWS slide gate and screw feeder were constructed using heavy-duty 304 stainless steel to withstand high temperatures of the hot lime.

Mass Flow Silo Transition and Screw Feeder for Metering Calcium Carbonate at Inteplast Group in Lolita, TX

Problem Solvers

Mass Flow Silo Transition and Screw Feeder for Metering Calcium Carbonate at Inteplast Group in Lolita, TX

KWS provided a mass flow bin transition and screw feeder as the most efficient way of metering calcium carbonate from the silo.

Inclined Screw Feeders for Metering Animal Protein Powder at Phibro Animal Health in Omaha, NE

Problem Solvers

Inclined Screw Feeders for Metering Animal Protein Powder at Phibro Animal Health in Omaha, NE

The KWS screw feeders were designed with variable pitch screws and a feeder shroud to precisely meter ingredients into the process at a controlled rate.

Mass Flow Screw Feeder and Dual Actuated Slide Gate for Soda Ash

Problem Solvers

Mass Flow Screw Feeder and Dual Actuated Slide Gate for Soda Ash

The new KWS screw feeder was designed with a large rectangular inlet and mass-flow screw to allow for even draw of soda ash from the silo.

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