Pneumatic gate valve 1, the concept: Pneumatic gate valve is a kind of long stroke cylinder and gate valve composed of economical control valve. 2, Features: Gate valve with a unique hard-point and point angle structure of the traditional gate valve has a breakthrough. It has a long service life, wear-resistant, valve opening full of open accumulation of pulp and impurities, to solve the traditional gate easily stuck defects. 3, Application: Especially suitable for pulp conveying and slagging control, which can be widely used in papermaking, mining, solid-state medium conveying and other industries. 4, Pneumatic gate valve main technical data: Nominal pressure: PN0.6, 1.0, 1.6Mpa Nominal diameter: DN50 ~ 800mm Operating temperature: -40 ~ 180 ℃ Air pressure: 0.4 ~ 0.7Mpa Leakage: ≤ 104 * Flow coefficient with hand wheel body material cast steel
Casing shoes are mostly used for drilling holes in drilling operations. They are useful for fixing when the load is too heavy and difficult to locate in the drilling, which can make the drilling work go smoothly. The human pregnancy casing shoes we produce are suitable for very hard For cracks, loose or broken rock formations, we can produce a full range of casing shoes with standard sizes of carcass hardness and impregnation height to meet the requirements of different customers.
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