Circulating pump pipeline
A circulating pump and pipeline technology, applied in the field of heating unit equipment, can solve the problems of damaged circulating pump, large impact force of circulating pump, water hammer, water hammer, etc., and achieve impact mitigation, high reliability, and extended service life Effect
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[0008] Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:
[0009] see figure 1 , the circulating pump pipeline of the present invention includes a water inlet tee 1 and a water outlet tee 2 installed on the circulation pipeline, and a circulation pump 3 and a bypass pipe are respectively connected between the water inlet tee 1 and the water outlet tee 2 , the connecting pipe between the circulation pump 3 and the water inlet tee 1 is provided with a direct-acting solenoid valve 4, and the connecting pipe between the direct-acting solenoid valve 4 and the water inlet tee 1 is provided with a drain pressure valve 5, and a one-way valve 6 is provided on the bypass pipe. After the system is powered off, the circulation pump 3 suddenly stops working. At this time, the direct-acting solenoid valve 4 closes the pipeline between the circulation pump 3 and the water inlet tee 1 due to power failure, and th...
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