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Stainless steel ball valve
The release date：[2020-05-13] hits
The working principle of stainless steel ball valve is to make the valve open or closed by rotating the spool. Stainless steel ball valve switch light, small volume, can be made into a large diameter, reliable sealing, simple structure, easy maintenance, sealing surface and sphere often in the closed state, not easy to be medium erosion, in all industries have been widely used.
Stainless steel ball valve in the pipeline is mainly used to cut off, distribution and change the flow direction of the medium. Stainless steel ball valve is widely used as a new type of valve.
Method of reassembly of stainless steel ball valves
L Clean and inspect removed parts. Replacement of seat and cover gaskets with spare parts kit is strongly recommended
L Assemble in the reverse order of disassembly.
L Cross-lock flange connection bolts (5) with specified torque.
L Lock stem nut with specified torque (13)
L After installing the actuator, input the corresponding signal to drive the spool to rotate by rotating the valve stem to make the valve to open and close positions.
L If possible, perform pressure seal and performance tests on the valve in accordance with relevant standards before reloading the pipe.
Although the stainless steel ball valve has a long use time and a very long maintenance free period and other characteristics, but also in the daily use to pay more attention to maintenance and maintenance, the following is to introduce the stainless steel ball valve maintenance and maintenance methods.
First of all, stainless steel ball valve before disassembly should be the ball valve upstream and downstream channel is removed pressure problem to determine, in the breakdown and assembly must prevent the loss of parts sealing surface, especially non-metallic parts, should use special tools to take out the o-ring.
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