Frequently Asked Questions (FAQ)

Frequently Asked Questions (FAQ)

August 31, 2022
You will find the answers to questions we are often asked by our customers about Sanitary products (santiary valves , santiary pumps and fittings ),We hope they are useful. If you are looking for other information about Donjoy, please feel free to contact us. We will be happy to service for you.
Centrifugal pump

Centrifugal pump

July 30, 2022
Question 1: What is Centrifugal pump ? Answer: Centrifual pump is a kinds of Sanitary pump , it refers to a pump that transports liquid by the centrifugal force generated by the rotation of the impeller.
Self-priming pump

Self-priming pump

July 30, 2022
Question 1: What is Self-priming pump? Answer: Self-priming pump is a self-priming centrifugal pump. It has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long life and strong self-priming ability.
Lobe pump

Lobe pump

July 30, 2022
Question 1: What is lobe pump ? Answer ： Lobe pump(rotor pump) refers to a pump that changes the working volume through the relative movement between the rotor and the pump body, thereby increasing the energy of the liquid. The rotary lobe pump is a rotary positive displacement pump with positive displacement properties and its flow does not change with back pressure changes.
Improve product quality and enhance employee awareness

Improve product quality and enhance employee awareness

November 22, 2021
Improve product quality and enhance employee awareness. Seeking benefits with quality and development with work efficiency. Quality is a matter of life and death for an enterprise. Quality is the life of an enterprise, so we must attach importance to quality.
When calibrate positive displacement pumps such as gear pumps and screw pumps

When calibrate positive displacement pumps such as gear pumps and screw pumps

November 22, 2021
When calibrate positive displacement pumps such as gear pumps and screw pumps. Positive displacement pumps such as gear pumps and screw pumps are not foolproof after leaving the factory.
What is the working principle of self-priming pump

What is the working principle of self-priming pump

November 22, 2021
The self-priming pump is favored by many customers in the market because of its versatility, easy operation, high suction lift, high lift, and large flow. What is the working principle of the self-priming pump?
What are the precautions for daily use of self-priming pumps

What are the precautions for daily use of self-priming pumps

November 22, 2021
What are the precautions for daily use of self-priming pumps? 1. First check whether the bolts are loose everywhere, whether the power cord and plug are in good condition, and the insulation resistance of the motor should be greater than 2 megohms.
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According to ASME BPE, EHEDG, FDA and 3A standard, DONJOY got certificates of PED-97/23/EC and MD-06/42/EC issued by TUV, ……

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