Slide Gates - We design and manufacture a wide variety of slide gates. Our standard gate sizes range from 18” to 72”. We have even built a gate that was 36” long by 144” wide!
Slide gates consist of a blade that moves in and out of the product flow, from fully closed to open. Think of it as a dimmer switch for bulk material flow. Depending on your available power types (electrical or fluid) and your material properties, we adjust our design to minimize wear and maximize performance. We designed proprietary gate seals that eliminate dust emissions to address environmental concerns.
We offer single and dual-blade gate designs that can be actuated hydraulically, pneumatically, or electrically. Additionally, we can adapt one of our existing designs to create a custom fit gate for your flow.
Rod Gates - Rod gates are simple, inexpensive, and offer a great deal of flexibility. The gate consists of a row of metal rods that are manually inserted into the body of the gate to partially obstruct the material flow.
A rod gate is an easy way of providing flow cutoff for maintenance purposes. Rod gates can also be used for flow reduction to feed conveyors or mineral processing equipment. The picture to the right shows a simple circular rod gate with 13 rods, illustrating the flexible simplicity of the gate.
Our rod gates are usually either round or rectangular. Standard sizes go up to 60” with rod diameters up to 2.5”. Rod diameters are determined based on the material density and gate size.
Rack & Pinion Gates - A rack and pinion gate is a slide gate that is generally operated by a handwheel that turns a pinion gear on a gear rack to open and close the gate. Other designs that fall into this category may use alternate mechanical means to actuate the gate but are still referred to as “rack and pinion”.
Historically, rack and pinion gates have been used in power plants and coal processing plants. Operators were able to easily adjust the flow by turning a handwheel during the process operation. These gates can also be provided with motorized actuators rather than simple handwheels. The picture to the right shows a large double-bladed rack and pinion which has gear reducers for motorized driving of the gate in the field.
Diverters- Diverter gates are used throughout manufacturing and bulk material handling processes to direct material to different destinations. PICOR diverter gates are very robust and easily maintained. The gate blade sustains the most wear of any part of the gate. Our design allows the gate blade to be removed and replaced without removing any of the chute work of the gate.
A diverter gate can easily accommodate up to three different streams and can be put in a cascade formation to handle additional destinations. Diverter gates can also be reversed, allowing multiple streams to be combined back into a single stream.
Operation of the diverter gates can be accomplished by electrical, pneumatic, hydraulic, or manual methods, and can feature feedback to ensure that the gate position is correct. This allows for automated operation of the gate through the plant’s existing control network.