Electric plug valve is closed or a plunger-shaped pieces of a rotary  Valve, the valve by rotating 90 degrees to the channel mouth stuffed with the body's openings on the same or separate, to achieve open or close a valve.
Install electric plug valve, in order to prevent damage to electric plug valve, and to ensure full electric plug valve's performance, should note the following four points:
1 To ensure that the Valve is open. First heating of the pipeline. As much as possible the heat transfer from pipe to electric plug valve. Avoid prolonged electric plug valve itself, the heating time.
(2) using gauze or wire brush to remove pipes and cutting parts to metal surfaces shine. Do not recommend using steel wool. 3 first cut along the vertical pipe, and finishing, deburring, measuring diameter.
4 out of the pipe and welding hood interior coated with flux, solder flux must be completely covered surface. Please controlled use of flux.
Electric electric plug valve is the thing, that is, material, and that was life. Please cherish.