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
Control valve leakage test method Type A test method 1.1 The test medium is a cleaning gas (air or nitrogen) or a liquid (water or kerosene) at 5 ° C to 40 ° C. 1.2 The test medium pressure is 0.35 MPa, and the specified...
The electric butterfly valve is a valve that uses a circular disc as a starting and closing member and rotates with the valve stem to open, close and adjust the fluid passage. The butterfly valve is not only simple in st...
When some media that are easy to precipitate and contain solid particles are adjusted by ordinary valves, they are often blocked at the throttle and guide, and the gas and steam can be flushed at the bottom of the lower ...
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...
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