news - China Donjoy Technology

How to assemble and use controller / control unit / C-TOP

March 17, 2023

Cotroller / control unit / C-TOP, including signal transmission and LED position indicating light, is used for controlling process valve of all kinds. Information collection is come from PLC or other automatic control equipment which could turn the valve on & off and reflect position of the valve simultaneously.

What are the solutions to pump mechanical seal leakage?

February 27, 2023

Mechanical seal is also known as face seal, which has a pair of end faces perpendicular to the axis of rotation. Under the action of fluid pressure and compensating mechanical external elastic force, the end face depends on the auxiliary seal to keep fit with the other end, and relative sliding, so as to prevent fluid leakage.

Self-priming pump should how to install & what matter need pay attention to?

February 27, 2023

Self-priming pump is a self-priming centrifugal pump, which has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long life, and strong self-priming ability. Pipeline does not need to install the bottom valve, before the work only to ensure that there is a quantitative primer in the pump body. Different liquid can use different materials of self-priming pump.

Pipeline pump noise is very big & how to solve it ?

February 27, 2023

Pipeline pump belongs to a relatively quiet product in pump products, but because of some conditions and problems, the noise of pipeline pump will increase, and sometimes the noise is unbearable.

2023 Happy new year!

December 30, 2022

2023 year is coming, Many thanks for your kind support in 2022 years . Donjoy wish you & your family a happy, healthy and blessed New Year. Looking forward to more chance to coopete in the coming years.

Donjoy 2022 year new prdocuts-Double head twin screw pump

December 30, 2022

Double head twin screw pump, S-LG series screw pump , higher flow , higher pressure , double suction inlet, multi-task processing; Multi-function,bidirectional reversible operation, high and low viscosity, no pulse , containing

IOLINK version Control head CTOP

December 30, 2022

What is the advantage of IOLINK Version control head Ctop ? 1, It can start self - setting directly on PLC system; 2, Change the light color Settings；3，Precision setting is custom

Donjoy new pump

November 08, 2022

Donjoy new pump, double head twin screw pump has been went into production.

Lobe pump and twin screw pump similarities and differences

November 02, 2022

Lobe pump and twin screw pump similarities and differences, Similarities: 1, Both of lobe pump and twin screw pump are Positive displacement pump; 2, Both of lobe pump and twin screw pump are suitable for high viscosity medium;

How to select suitable lobe pump?

October 29, 2022

Q: How to select suitable lobe pump?A: Firstly, you should know the viscosity of the medium that the lobe pump will be used for and required flow rate & head/pressure.

Donjoy 2022 year new products

October 29, 2022

Donjoy 2022 year new products. 1. Double head twin screw pump； S-LG series screw pump, higher flow, higher pressure, double suction inlet, multi-task processing; Multi-function,bidirectional reversible operation, high and low viscosity, no pulse, containing.