When does conduit pump need cooling system? How prevent frostbite?

The welcome visits Shandong Hairui Zhonglian Pump Industry Co. , ltd. Website, the conduit pump that my company is a major produces manufacturer. When you need conduit pump type selecting, we will provide the before-sales service such as price of pump of conduit pump model, conduit, in order to offer your referenced alternative. This is product information when to need cooling system about conduit pump? How the knowledge of prevent frostbite:

One, here has a referenced basis: When pump carries medium temperature to be more than 100 ℃ , bearing needs to cool; When medium temperature is more than 150 ℃ , annular seal space needs to cool; And when temperature is more than 200 ℃ , the pedestal of pump also needs to cool.
Is cooling water specific what effect to have?
The specific action of pump cooling water has the following:
① drops the temperature of bearing effectively;
② takes away what seal leakage to come out from the axis a few liquids, conduct an attrition to heat up;
Pedestal of ③ cooling pump, expand and cause pump and electromotor in order to prevent because of heat homocentric spent deflection;
④ drops filling case temperature, improve mechanical and sealed job condition, prolong its service life;
2, northward winter air temperature is met pelter, water is incidental when zero is the following bulk expands, ifConduit pumpThe seeper inside body does not clear complete, the bulk that microtherm enters the water expands can bring about pump housing to bilge crack, cause needless belongings loss thereby.
What does the prevent frostbite measure that asks conduit pump have?
The measure of the prevent frostbite of conduit pump basically has the following:
① above all the platoon putting water inside will unused pump is clean.
② maintains cooling water economize to avoid running short next.
③ is opposite next conduit pump heat preservation or accompany heat with vapour, hot water.
④ reserves pump maintains passageway current.
How to discover pump is handled by aspic hind?
If discover conduit pump is frozen, cannot blow clearly directly with vapour above all, the purpose is to because pump housing is hot,prevent to bilge to all do not cause rupture.
True measure should be to use cold water to irrigate first, can consider to be irrigated with vapour or hot water next drench.
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