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China Shanghai Qiuyi Valve Co.,Ltd
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Valve of the hoist is ram, the ram's movement and fluid direction of the vertical direction, the valve can only be full and all the customs, can not be regulated and cutting expenditure. Ram two sealing surface, the most common mode of the two gate valve sealing surface formed wedge, wedge angle valve parameters vary, usually for 50, medium temperature is not high at 2 ° 52 '. Wedge of the gate valve can cause a whole, called the rigid ram; can also cause deformation can produce trace the ram, to improve their technology and make up for the seal of perspective in the course of processing the deviation, such Ram called flexible ram.
Valve types, according to sealing surface configuration can be divided into wedge-ram-gate valve and parallel-valve, wedge-ram-valve can be divided into: single-gate, Shuangzha ram-plate and flexibility; parallel Ram-valve can be divided into single-ram-and Shuangzha plate. The stem of the screw position can be divided into that dark-valve and two-valve. |
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