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The basic mechanical seal flushing programme is very simple. It requires that a clear/clean fluid (usually water) is introduced into the space between the actual seal and the impeller side outlet restriction. The flushing fluid is introduced at a pressure higher than the pumping pressure, thus ensuring positive outflow/flushing of the mechanical seal and a clean operating environment.

The design of the slurry pump is critical to ensure that the abrasive and often corrosive aspects of the slurry do not damage the impeller. In addition, slurries and sludges may contain large amounts of unforeseen solids, which will inevitably clog many types of pumps. Since most centrifugal pump impellers have very tight tolerances on the worm gear, the abrasive (and sometimes corrosive) nature of the slurry will quickly wear down the worm gear and destroy the tolerances. In turn, this causes the pump to lose suction. This can lead to extensive downtime of the slurry pump, as well as expensive maintenance and spare parts.

>Slurry Pump

For example.

Some quench seals are planned to replace the tight fitting outlet restriction with a secondary seal and a top outlet that can be piped to capture the used quench fluid and drain it from the rotating assembly. However the principle is the same, we try to cool the seal rather than flush it in any way.

sets or tons on high chrome alloy castings. Main products are Type WA, WG, WL, WN, WY, WZ, etc. Size: 25-1200mm,

While skillets and pans are easily mistaken for one another — and can be used interchangeably in a pinch — the actual cookware items do have their differences.

It’s important to note that frying pans should not be confused with cast iron skillets, which are a distinct type of cookware. To learn more about the differences between skillets and frying pans, check out our post dedicated to the topic.