Information about Ball Valves

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About Ball Valves

Ball valves are quarter-turn, straight through flow valves that have a round closure element with matching rounded seats that permit uniform sealing stress. Ball valves are used in situations where tight shut-off is required. The type of seat can vary with the valve pressure rating and materials of construction. Some valve seats are composed of single molded forms, while other seats with higher-pressure ratings often incorporate a trunnion design where each face of the ball is separately sealed. They are wide duty valves, able to transfer gases, liquids and liquids with suspended solids (slurries).

Products & Services Related to Ball Valves

Air Pressure Regulators

Air pressure regulators control pressure in air lines (usually adjustable) to remove fluctuations and maintain consistent pressure for pneumatic devices.

Air Valves

Air valves allow metered fluid flow in one or both directions. They are used in pneumatic circuits to regulate the rate of activation or exhaust of cylinders and other pneumatic devices.

Control Valves

Control valves or proportional valves are power-operated devices used to modify fluid flow or pressure rate in a process system.

Diaphragm Valves

Diaphragm valves close by means of a flexible diaphragm attached to a compressor.

Plastic Valves

Plastic valves are made from plastic materials and are used in applications that require corrosion resistance and/or chemical handling.

Pressure Regulators

Pressure regulators are used to maintain a constant outlet pressure or flow.

Sanitary Valves

Sanitary valves are designed for applications requiring clean or sterile processing.

Engineering Web: Ball Valves - Machine Design

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Ball Valves \| Machine Design Ball Valves April 27, 2006 Staff The Series Type 175/176/177/178 electrically actuated ball valves and Series Type 275/276/277
Flanged Ball Valves \| Machine Design Flanged Ball Valves April 26, 2007 Staff
Lightweight Ball Valves \| Machine Design Lightweight Ball Valves March 23, 2000

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