Company News - China Donjoy Technology

Donjoy Technology was evaluated "2023 Provincial High -tech Enterprise Research and Development Center"

May 03, 2024

A few days ago, the Zhejiang Provincial Department of Science and Technology announced the "List of New Provincial Enterprise Research Institutions in 2023". After several rounds of strict review and

Congratulations to DONJOY for abtaining the intrinsic safety & flameproof double certification

July 29, 2023

Donjoy valve controller unit products (21A and 22A) successfully obtained the EU ATEX explosion-proof certification and the national Explosion-proof Electrical Equipment Explosion-proof Certificate

Ropland mechanical seal training

March 29, 2023

On March 23, at the invitation of Donjoy Company, Ruopan technical team came to our company to train the knowledge of pump mechanical seal products. There are nearly 40 employees in the technical department, production Department, Sales Department and so on.

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 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.

Donjoy Autumn online Canton Fair

October 20, 2022

Donjoy Autumn online Canton Fair. Welcome to visit Donjoy online Canton Fair! Online time: 15th October to 24th October.

What is a pneumatic control valve?

April 27, 2022

With the development of human social productive forces, the development of regulating valves has gone through a long period of time.

Which type of valve does the diaphragm valve belong to? How to choose correctly?

April 20, 2022

Diaphragm valve is a clamping valve, which is mainly used for opening and closing on the pipeline.

What are the characteristics of the diaphragm valve?

April 13, 2022

The most prominent feature is that the diaphragm valve separates the inner cavity of the lower valve body from the inner cavity of the upper bonnet, so that the valve stem, valve disc and other parts above the diaphragm are not corroded by the medium, eliminating the need for packing and sealing structure, and will not produce medium outside. leak.

Three-way globe valve structure principle

April 11, 2022

The body material of the three-way globe valve is divided into cast steel or stainless steel, which is suitable for occasions under various working conditions;

Do you have to choose between angle valve and ball valve in toilet or do you have to have both?

March 28, 2022

Ball valves are generally used as the main valve for household water intake. The ball valve is mainly used to cut off, distribute and change the flow direction of the medium in the pipeline.

Ball valve installation and use

March 17, 2022

Preparation before ball valve installation:1) The front and rear pipes should be coaxial, and the sealing surfaces of the two flanges should be parallel. The pipeline should be able to bear the weight of the ball valve, otherwise there must be proper supports on the pipeline.