must first understand how to deal with the valve leakage, leakage, must first understand why leakage, leakage, is the so-called learning and know how. The valve to keep air tightness, must have a good sealing. If the sealing problems, will appear the phenomenon of leakage.

as control unit in the fluid conveying system, the valve has a deadline, regulation, guide, to prevent the reverse flow, voltage regulator, shunt or overflow relief, and other functions, is indispensable to many industrial control components, and once the Industrial Valves failure, especially the leakage incident, not only affects the stable operation of industrial and mining equipment, moreover may harm the environment and to society caused immeasurable losses of economy and society. Must learn to recognize and prevent common leakage failure of the valve, in general, common leakage failure of the valve include two kinds, namely the gland leakage and closing a leak. Gland leakage is the main run, run, drip, leak, often seen in the factory. About the Industrial Valves leakage, leakage of preventive measures. 1. All valves into the factory must be carried out after the different levels of water pressure test. 2. All valves before installation must be equipped with corresponding levels of gasket. 3. During a repair must carefully check whether to add packing, packing gland are on tight. 4. The valve before installation must check valve inside for dust, sand, iron oxide and other debris. If you have the sundry must clean up the rear can be installed. 5. It is necessary to overhaul the valve must be grinding. 6. In the process of valve installation, all valves must be installed correctly according to the system, pressure, prohibit disorderly, mixture. For all valves before the installation must be carried out according to the system code, and make records. 7. When installing door flange must tighten fasteners pieces, when tighten the flange bolts must be symmetrical direction in turn fastening. Common we can take effective measures to prevent these failures, but more important is to choose high quality high standard products, so can save more time and energy of industrial.

keywords: valve valve leakage steam valve leakage water vapor and preventive measures
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