CHUAN YI ELECTRIC Machinery Works Co., Ltd.

CHUAN YI electric was established in 1982. We always target to strengthen our design and produce ability to provide a better services and high-tech products to our customers. Through a constant, steady growth, CHUAN YI has amassed the capability to integrate a diverse product line, coupled with the entire staffs' united efforts, has enabled CHUAN YI to gain a significant market share and became a leading enterprise

Professional Self Prime Engine Pumps Manufacturer

CHUAN YI ELECTRIC Machinery Works Co., Ltd. offers high quality Self Prime Engine Pumps with reasonable price. If you are interested in our Self Prime Engine Pumps, welcome contact with us. We thank you for your time.


The self-priming pump is driven by diesel engine that drives this pump directly. The self-priming pump is equipped non clog impeller and vacuum system. While the impeller is rotating and vacuum pumps synchronized that discharge air and self priming water is finished. It is not necessary to fill the pump casing with water. Therefore, this pump can drain off water effectively.

For diesel driven versions, the engine is easy reach for changing oil, air filter, fuel filter and maintenance.

The compact dimensions of the units facilitate transport and storage.

Solids handling, dry-running and portability makes the CPM series the perfect choice for dewatering and flood controlling applications.

  1. While motor starts working, the vacuum pump draws out the air from the pump.
  2. The vacuum chamber assists the vacuum pump in separating water and air.
  3. Once all of the air has been expelled from the suction pipe, the pump is primed and works like a normal centrifugal pump. The pump can also work with an air-liquid mixture.

  1. The air is sucked out of the pump and pipes through the vacuum chamber when the engine is started.
  2. The vacuum chamber works to separate the air and water` and prevent the water sucked into the vacuum pump.
  3. The vacuum pump is oil-lubricated and it can operate long time to assist the pump keeping the vacuum degree.
  4. The oil tank passes the air out and collects the oil gas, circling the oil to the vacuum pump.

  1. The check valve is rubber coated that is stainless. Therefore. air is not leaking.
  2. The patented vacuum chamber is automatic design that water won't get into the vacuum pump.
  3. The pump is equipped with the water detect sensor. The pump will stop automatically if it doesn't prime in three minutes.
  4. The pump is compact because pump and gear box use the same shaft.
  5. The gear box is equipped with a cooling device that connects to pump. The cooling device can provide function of heat exchange and cooling. The filler prevents the pump from clogging and easy to clean.
  6. The big solid can pass because of the non clog impeller.
  7. It is easy to disassemble and clean because the pump has two cleaning holes.


Our adherence to timely and safe delivery of our fine quality Self Prime Engine Pumps has enabled us to maintain long-lasting relationship with our existing clients. The Self Prime Engine Pumps that we offer maintains unquestionably reliable and fool-proof standards. We provide services to quench the market demand with full competency, thereby treating our customers with complete satisfaction and convenience.