China Industrial Plastic Valves Pipe Manufacturers,Chemical Plastic Valves Pipe Suppliers Service Hotline : +86 574-86116777 E-mail : kxpv@kxpv.com
China Industrial Plastic Valves Pipe Manufacturers,Chemical Plastic Valves Pipe Suppliers Service Hotline : +86 574-86116777 E-mail : kxpv@kxpv.com
The flow-opening type flows toward the opening direction, and the cavitation and erosion mainly act on the sealing surface, so that the sealing surface of the valve core and the valve seat is quickly damaged; the flow-cl...
By increasing the diameter of the valve to increase the working opening, the specific methods are as follows: 1. Change the valve of a small first diameter, such as DN32 to DN25; 2. The valve body does not change, replac...
1. Large opening work extended life method Let the regulator work as far as possible at the maximum opening, such as 90%. Thus, cavitation, erosion, and the like occur on the head of the spool. As the spool is broken, th...
The action of the regulating valve is unstable. The symptoms and causes are as follows: 1. The air source pressure is unstable. A. The compressor capacity is too small; B. The pressure reducing valve is faulty. 2. The si...
When the regulating valve is made of graphite-asbestos, the lubricating oil should be added to the packing for about three months to ensure the flexibility of the regulating valve. If it is found that the packing pressur...
Pneumatic control valve is one of the widely used instruments in petrochemical enterprises. Its accurate and normal operation is of great significance to ensure the normal operation and safe production of the process equ...
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