is used for opening and closing valve pipe, control flow, main parameters of adjustment and control transport material ( Temperature, pressure and total flow) The pipe fittings. From the very simple cut-off Industrial Valves to its multifarious automation control system software is commonly used in all kinds of valves, its various types and specifications and nominal pressure of valve diameter ranges from the tiniest meter valve pipe diameter roughly 10 m industrial production pipe with a valve.

can be used to manipulate the water, steam, oil, gas, mortar, various corrosion material, shape memory alloy and liquid radioactive substances such as various types of liquid liquid, pressure of the valve are from 0. The high pressure 0013 mpa to 1000 mpa, the operation temperature can c - The low temperature of 270 ℃ to 1430 ℃ high temperature. Application process often appears the valve valve surface damage, destroy will appear this kind of condition of leak, how can appear this kind of situation? Here are many aspects to master, everybody together to look at.

mechanical equipment damage, sudden surface will result in creased in the opening and closing a za, dept. of injury, such as task of destruction. Two tu among surface, under the effect of high pressure molecules penetrate extravasation, cause adhesion conditions. When two tu face each other move, synechia place literally tear. Tu face surface coarse value is higher, this kind of situation more casually. in the closed, piston valve in the back seat during the whole process will ke is injured during the whole process and the task of face, make the sealing surface damage or cause embossing. Physical abrasion, it is a subject matter activity to tu surface damage, clean, the result of cavitation.

material under a certain rate, material of ephemera fine sand exclusion violate surface, make it caused some damage, high speed theme material immediately wash face, make its cause damage, material mixed flow and partial gasification, angry bubble production blasting impact plane surface, cause damage. Material abrasion and corrosion of organic chemistry replacement effect, will be obvious corrosion surface. Photoelectric catalysis corrosion, tu surface touch each other, surface and oil plate and enclosed body touch and its material, such as density difference and poor oxygen concentration, can cause electric potential difference is, photoelectric catalysis corrosion, lead to Yang oxidation of surface corrosion.

material of organic chemical etching, tu face surrounding material is not under the condition of power flow, material with sudden surface chemical utility, immediately surface from corrosion. Installation skewed and maintenance does not reach the designated position caused abnormal surface work, valves with faults, had to destroy the surface. Model selection and control of the damage caused by the poor poor.

resilient valve gate valve is liked by everyone and is used in every household.
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