Valve Selection Procedure
- Oct 09, 2015
- Hits: 460
Generally, you should follow these following steps to choose a valve. 1. Process status of a valve is determined by its usage in installation or process piping. For example, the working medium, working...
Design Principle of Safety Valve
- Sep 18, 2015
- Hits: 331
Six points about the design principle of safety valve 1. Safety valve must be designed to meet users’ requirements. 2. Once guarantee the actual use, the products should be the most economical....
Knowledge about Low Temperature Gate Valve
- Sep 10, 2015
- Hits: 412
Classification of low temperature gate valve: According to the sealing surface, it can be divided into wedge gate valve and parallel gate valve, while wedge gate valve can also be classified into: single...
Dervos Valve Will Attend Valve World Expo 2016
- Sep 04, 2015
- Hits: 435
Exhibition: Valve World Expo 2016 (10th Biennial Valve World Conference & Exhibition) Date: 29 Nov-1 Dec, 2016 Organizer: Messe Düsseldorf GmbH Address: Düsseldorf, Germany International...
Common Valve Problems 2
- Aug 26, 2015
- Hits: 325
For More Information, Please Read Common Valve Problems 1 6. Why double seating valve is easy to oscillate in small opening? For single-core valve, when the medium is in open-flow type, the valve will...
Common Valve Problems 1
- Aug 17, 2015
- Hits: 348
For More Information, Please Read Common Valve Problems 2 1 Why using desalinated water medium will shorten the service life of rubber lined butterfly valve and fluorine diaphragm valve? With low concentrations...
Common Sense of Valve Body Strength Test
- Aug 11, 2015
- Hits: 386
It is very important for the valve body to have high strength. Otherwise, it will be easy to damage the body in use, which will not only lead to economic losses but also stop the entire associated system...
The Superiority of Three-way Inner Thread Ball Valves
- Aug 03, 2015
- Hits: 267
Three way ball valves and gate valves belong to the same type of valve, but the difference is that the closure member of the former one is a sphere which rotates around the center line of the body to...
The Importance of Maintenance and Repair on Valves
- Jul 28, 2015
- Hits: 516
For a long time, most domestic industries used new valves to replace the old, and they sold or abandoned the old valves as garbage. As for some be replaced high-pressure valves, high-temperature valves...
Classification and Application of Vacuum Valves
- Jul 24, 2015
- Hits: 316
Classification of Vacuum Valves: According to the working pressure: low vacuum valves, high vacuum valves and ultra-high vacuum valves. According to the structural features: butterfly valves, ball valves,...