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Main parameters to consider when selecting an electromagnetic water pump

Main parameters to consider when selecting an electromagnetic water pump

2016-06-28 22:19

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1. Voltage and frequency used:

Eg 220VAC 50Hz or 120VAC 60Hz

Power

16W (Rating)

3. Insulation (temperature resistance) class (Class):

A class 105 ℃ (temperature rise ≤75 K)

B class 130 ℃ (temperature rise ≤90 K)

F class 155 ℃ (temperature rise≤115 K)

H-class 180 ℃ (temperature rise ≤140 K)

Class C 220 ℃ (temperature rise ≤180 K)

Note: T (℃) = [T (F) -32)] * 5/9

4. Working methods

ED100% -continuous pumping 2min / 1min --- pumping 2 minutes / stopping 1 minute (intermittent pumping)

5. Use environment

Ambient temperature, such as Ta max: 60 ℃

Fluid temperature, such as Tf max: 35 ℃

6. Maximum pressure

For example: 15Bar (the required working pressure should be within 70% of the maximum pressure)

7. Flow under working pressure, such as 160g / min (@ 10Bar)

Flow rate-pressure curve

Generally speaking, the flow rate of the pump will decrease as the working pressure increases. The flow rate is maximum at 0 Bar, and the flow rate is 0 when the block is completely blocked.

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