Bearing of the shaft journal in maintenance-free isolating valves

Product used

KS PERMAGLIDE^® cylindrical plain bearing bushing, type PAP … P10 or PAP ... P11

The KS PERMAGLIDE^® materials P10 (with steel back) or P11 (with bronze back) are used, depending on the aggressiveness of the gas or liquid.

Function

Isolating valves regulate by increasing and decreasing the flow of liquids and gases in pipelines. The installed plain bearings are constantly exposed to the influence of chemicals and high or extremely low temperatures. Liquids cause constant vibrations on the valve, amongst other things. The bearing must not become stuck due to corrosion or the influence of certain temperatures. If used frequently – or indeed rarely – the function of the isolating valve must not be impeded. The bearings are no longer accessible once installed, and so maintenance-free bearings are required. Isolating valves act as safety switches: if the pressure is too high, the isolating valve opens. If a section of the pipeline is leaking, the isolating valve closes.

Bearing with KS PERMAGLIDE^® P10/P11 plain bearing bushes

The shaft journal and the valve disc are mounted with KS PERMAGLIDE^® P10 or P11 plain bearing bushes. The P10 and P11 plain bearings do not become electrostatically charged, as they act as electrical conductors after running in. The isolating valves can also be used in environments where there are explosive gases.