Hot water circulating pump has magnetic vortex type, magnetic centrifugal type and mechanical seal type. Magnetic pump hot water circulating pump, the maximum temperature resistance of hot water is 180 ℃, no mechanical seal, stable performance and no water leakage. The maximum temperature resistance of mechanically sealed hot water circulating pump is about 150 degrees. When the mechanical seal hot water pump operates at high temperature, the performance requirements are particularly high. Once the mechanical seal leaks due to some impurities or improper use of dry burning, it is also a very dangerous thing for on-site users. Therefore, for the whole system, the pipeline installation of hot water circulating pump is particularly important. Aulank pump pipeline installation tips are recommended to you to help you solve some unnecessary pump hidden dangers!

1. Filter is installed at the pump inlet to prevent foreign matters from entering the pump chamber and damaging the pump impeller motor.

2. The sealing glue on the pipeline connection must be applied evenly to prevent it from entering the pump chamber and affecting the single-phase. The variable-frequency pump is started.

3. The pipeline must be cleaned after welding and before installation to prevent residual welding slag and iron filings from entering the pump cavity and damaging the impeller.

4. Try to shorten the suction pipeline and make the pump close to the liquid level to reduce the pipeline resistance on the suction side

5. No convex pipeline shall be arranged on the suction pipeline to prevent idling caused by air resistance and damage to the shaft seal

6. Especially when filling pressure input, please install gate valve in front of the pump to facilitate maintenance

7. The diameter of the suction pipeline shall not be smaller than the suction inlet of the pump, otherwise it will cause cavitation in the pump

8. In order to prevent solids from mixing into the pump, please install a screen at the suction side during initial operation, but remove it in time to ensure that the suction is unblocked

9. Because the hot water circulating pump has serious cavitation and high saturated steam pressure, all hot water circulating pumps have no self suction. If they need to be installed under self suction condition, a bottom valve should be installed at the end of the suction pipeline to maintain the overflow state of the suction pipeline and the pump.

During the use of hot water circulating pump, it is very important to correctly install the pipeline to avoid safety accidents. Customers and friends please operate in strict accordance with the operation and installation instructions. If you have any questions, customers can call Aulank pump at any time. We have professional technology and after-sales service to escort you!