The Anti-Static Device of Ball Valves
- Oct 12, 2024
- Hits: 0
In this article, we will talk about the anti-static device of ball valve. During the process of valve operating, the friction between the soft seat and the meta
Special Requirements for Natural Gas Pipeline Valves
- Oct 12, 2024
- Hits: 0
1. Quick action, automatic shutdown Generally, the managers stay in the station or central control room, the pipeline valves are required to be able to autom
A Presentation Competition Was Carried Out in DERVOS
- Oct 12, 2024
- Hits: 0
On January 4th, a presentation competition was carried out in DERVOS, with the target that every salesman would be equipped with the capability to present our c
What is the difference between ERW and CDW pipes?
- Oct 12, 2024
- Hits: 0
Electric resistance welded (ERW) pipes are longitudinally welded from metal after moving it afterward. CDW pipes are produced by expelling the metal to the requ
How to judge whether the valve leakage is internal or external
- Oct 12, 2024
- Hits: 0
When using electric valves, various faults are often encountered. Valve leakage is a common type among many faults, and the leakage of electric valves generally
Manufacturing and inspection techniques for full welded ball valves
- Oct 12, 2024
- Hits: 0
The full welded ball valve described in this article uses single spherical welding with a fully automatic welding process. The ball valve has characteristics of
Bellow Seal Valves - a solution to prevent leakage
- Oct 12, 2024
- Hits: 0
Irrespective of proper selection, installation, and periodic and preventive cares on conventional valves, leakages cannot be totally eliminated. Though performa
How to select the right pneumatic solenoid valve
- Oct 12, 2024
- Hits: 0
Slide gates and diverter valves that use pneumatic actuators (air cylinders) must be equipped with a properly matched pneumatic solenoid valve. The solenoid val
Valves with Heating Jackets by Dervos
- Oct 12, 2024
- Hits: 0
A heating jacket is a metal enclosure installed around the body or the whole of the valve with the purpose of maintaining the temperature of the fluid flowing t
2019 Xiamen International Marathon
- Oct 12, 2024
- Hits: 0
"Running in love with a city", 2019 C&D Xiamen Marathon started at 7:30 am on January 6th. A total of more than 36,000 runners signed up. The actual number of p
The main differences between trunnion and floating ball valves
- Oct 12, 2024
- Hits: 0
Ball valves can be classified by material, structure, flow port, working principle and so on. As per the working principle and structure, we can divide ball val
The Function and Service Life of Butterfly Valves
- Oct 12, 2024
- Hits: 0
It is necessary to be aware of what the butterfly valves are designed for. Is it used to connect and cut off the pipeline, or to regulate and control the flow a