news center
TRACK INFORMATION, FOCUS ON NEWS
Focus on Donghai Valve, we will update you the new trends of the valve market and share the company's new trends from time to time
2022-11-07
Precautions for ball valve maintenance
If there is slight leakage at the packing, the valve stem nut must be locked again. But do not lock it too tightly. Usually lock it for 1 / 4 ~ 1 turn, and the leakage will stop.
2022-11-07
Advantages of electric valve over traditional valve
In terms of operation efficiency and saving energy consumption, the application of automatic control valve is an indispensable link. The manual valve and pneumatic valve commonly used in traditional industry are inferior to electric valve in installation cost and efficiency.
2022-11-07
Advantages and disadvantages of pneumatic valve and electric valve
The actuating force distance of the pneumatic valve is larger than that of the electric valve. The switching speed of the pneumatic valve can be adjusted, with simple structure and easy maintenance. Due to the buffer characteristics of the gas itself, it is not easy to be damaged due to jamming.
2022-11-07
How to select high quality electric ball valve
When purchasing electric ball valves, the practice of only specifying the specifications, categories and working pressure to meet the procurement requirements is imperfect in the current market economic environment.
2022-11-07
How to correctly select electric ball valve
It is reported that in the next 10 years, China will have more than 20000 kilometers of oil pipelines to be built, including transnational oil pipelines such as Russia and Kazakhstan. In addition, after the "west to East Gas Transmission", China will also build more than 20000 kilometers of transnational gas transmission pipelines and branches.
Donghai
Contact donghai
Add: Longxi Industrial Zone, Yuhuan City, Zhejiang Province, China
PC: 317609
Tel: 0576-87493198 / 0576-87468188 / 0576-87468185 / 0576-87468183 / 0576-87468181
Fax: 0576-87491112
E-mail: web@yuhuandonghai.com
URL: http://www.yuhuandonghai.com
Yuhuan Donghai
Valve Co.,Ltd
Copyright @ 2022 Yuhuan Donghai Valve Co.,Ltd. All Rights Resserved.
