Information about Solids Valves

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About Solids Valves

Solids valves are used to control or regulate the flow of powder, granular and other bulk solid materials along a process line. They are also used to control or regulate the flow of solids to and from process units, storage bins, conveyors and product packaging. There are several basic types of solids valves. Ball valves provide tight shut off, predictable control, and ease of operation. Butterfly valves control flow through a circular disc or vane by turning the valve's pivot axis at right angles to the direction of flow in the pipe. Clamshell valves use a swinging disc or gate to cutoff, restrict, or control the flow path. Control valves or proportional valves are power-operated devices that modify fluid flow or pressure rate in a process system. Diverter valves change the direction of the flow of a medium to two or more different directions. Double flap airlocks and flap valves are used to shut-off the flow of bulk material. The flaps open sequentially to maintain the airlock between the hopper and conveyor or process unit. Iris valves enclose mechanical components in a flexible sleeve to prevent the ingress of solid materials. Mixing valves combine the flows of two or more inlets into a single outlet. Pinch valves are full bore, linear action valves used for on/off control or throttling service. Gate valves or knife valves are solids valves that use a flat closure element to provide shut-off.

Products & Services Related to Solids Valves

Butterfly Valves

Butterfly valves control flow through a circular disc or vane by turning the valve's pivot axis at right angles to the direction of flow in the pipe. They are normally used as throttling valves to control flow.

Check Valves

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves.

Globe Valves

Globe valves are linear motion valves with rounded bodies, from which their name is derived. They are widely used in industry to regulate fluid flow in both on/off and throttling service.

Needle Valves

Needle valves are small valves used for flow control in liquid or gas services. The fine threading of the stem and the large seat area allow for precise resistance to flow.

Pinch Valves

Pinch valves include any valve with a flexible elastomer body that can be pinched closed, cutting off flow, using a mechanism or fluid pressure.

Pressure Relief Valves

Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line.

Solenoid Valves

Solenoid valves are devices that use a solenoid to control valve activation.

Engineering Web: Solids Valves - Machine Design

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Machine Design \| Gorman-Rupp Co., Mansfield, Ohio (gormanrupp.com), are said to be the most-efficient (up to 75%) solids-handling pumps on the market.

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