Customization: | Available |
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After-sales Service: | Yes |
Warranty: | 1 Year |
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PWM version
Externally PWM controled WHM. PWM pumps have no user interface. The PWM input-signal control mode is enabled when the signal cable is plugged in and asignal is detected.
AUTO version
Interally controlled WHML AUTO pumps have a user interface with one button and a LED window.
Setting the pump WHML AUTO
The user interface allows to select between 6 control curves in three control modes.
1 proportional pressure curves(PP)
4 constant pressure curves (CP1, CP2, CP3, CP4)
1 Maximum power curve (CC)
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We warrant our pumps to be free from defects in material and workmanship for a period of 12 months from the date of purchase. During this period, we will adjust, repair or replace parts or the whole at no charge to you, except for damage caused by accident, misuse, tampering or carelessness.
Established in 1999, we were originally a small factory for OEM service. Through years persistance in strict quality control and persuit on spirit of craftsmanship, we've accumulated reputation in the pumps industry and provided a variety of pumps and services for large and medium-sized pump brands around the world.
Today, our products include submersible pumps, surface pumps and circulation pumps, covering a wide range from household, agricultural, commercial to industrial areas. Futhermore, we are committed to providing solutions for different applications, not only on single products but also on more comprehensive solutions for the customers.