Installation and Application of Dynamic Resistance Balance Valve
- Jan 08, 2021
- Hits: 29
Dynamic resistance balance valve is suitable for central heating system. Installing this valve in heating network makes it easy to achieve static and dynamic balance. It supports variable flow...
Causes of Valve Failure
- Dec 21, 2020
- Hits: 256
Causes of valve failure in general: 1. The packing gland is not compressed. 2. The packing fails due to overuse or improper preservation. Fault elimination method: 1. Tighten the nuts evenly and...
Storage Method of Electric Butterfly Valve
- Dec 15, 2020
- Hits: 26
Electric butterfly valve is consist of electric actuator and butterfly valve, so that it owns both advantages of simple operation and plain structure, widely used in chemical engineering, pharmaceuticals...
Three Advantages of Hydraulic Blind Valve
- Dec 08, 2020
- Hits: 28
There are three advantages of hydraulic blind valve—a safty quipment used to cut gaseous medium. Hydraulic blind valve is a dedicated device with various models that cutting gaseous medium, often...
What Are the Advantages of Stainless Steel Globe Valves on Performance?
- Dec 05, 2020
- Hits: 29
Stainless steel globe valve has many advantages on performance. In fact, the reason why users like to choose it is precisely because it has its own advantages in this respect. What advantages...
Research on Surface Coating Materials of Steel Pipes (Part Three)
- Nov 27, 2020
- Hits: 16
4. Common problems for coating materials It is concluded that the common problems for coating materials can be roughly divided into three types, which are uneven coatings, dripping of preservative and...
Research on Surface Coating Materials of Steel Pipes (Part Two)
- Nov 17, 2020
- Hits: 19
3.2 Epoxy coal tar preservative coatings Epoxy coal tar pitch is made of epoxy resin and coal tar bitumen as the base material which is miscible by heating. And then an appropriate amount of solvents,...
Research on Surface Coating Materials of Steel Pipes (Part One)
- Nov 12, 2020
- Hits: 18
Summary: With the development of science and technology and urban modernization, more and more steel pipes are used in various pipelines and surface coating materials of steel pipes are also constantly...
Use and Requirements for Valves for High-pressure Hydrogenation Devices
- Nov 03, 2020
- Hits: 81
Overview The high-pressure hydrogenation process is an important means for deep processing of petroleum. It can not only increase the recovery rate of light oil per unit of crude oil, but also can improve...
Classification of Electric Valves
- Oct 30, 2020
- Hits: 25
The electric valve, as its name implies, is to drive the opening and closing of the valve by power supply. The valve is mainly composed of two parts: the upper part is the electric actuator,...