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Tel: 0086-577-67957222
Fax: 0086-577-67960007
Email: sales@valve.asia
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Ball Valves
| 1) The valve disc is in the shape of a ball, and it is constructed with a soft seat, making it similar in design to a cock. | 2) The ball is usually rotated through the use of a lever handle. The ball allows straight-through flow when it remains in the open position and it prevents flow-through when the handle is rotated a quarter turn (90°). Because larger valves require more force to operate, they are equipped with a gear handle in place of a lever handle. |  |
3) Although the mechanical and physical properties of the soft seat material provide a very tight shutoff, there are limitations for applications involving high temperatures. Ball valves are suitable for use with full-on, full-off flow control in general service. Due to their material and construction, ball valves are not appropriate for use in applications that require partial opening of the valve. |
