Technical Requirements for Valves Used for Pipelines
- May 21, 2021
- Hits: 50
The long-distance pipeline is global. It is an energy supply line from the Arctic Circle to the equator, from the mountains to the seabed, from the plateau to the desert, passing through seismic zones,...
Valves Used for Pipelines
- May 12, 2021
- Hits: 19
The pipeline has become the main method of energy transportation nowadays. The pipes and valves that emerged at the right moment have developed rapidly, which has greatly promoted...
How to Keep Newly Purchased Valves?
- Apr 23, 2021
- Hits: 23
Under normal circumstances, when the valve is shipped, blind plates are installed at the inlet and outlet of the valve to avoid dust entering from the inlet and outlet of the valve. This also prevents...
Maintenance of Valves in Operation
- Apr 05, 2021
- Hits: 33
The maintenance steps for valves that are in operation are as follows: 1. Cleaning A lot of dust, oil, and medium residues are easy to accumulate on surfaces of a valve, trapezoidal threads...
Ten misunderstandings of Installation of Valves
- Mar 19, 2021
- Hits: 23
Ten common misunderstandings about installation of valves that are easily overlooked are listed in this article, which are as follows: 1. The bolt are too long. For the bolts on the...
Welding Defects and Repair Welding of Valves
- Mar 08, 2021
- Hits: 493
Among the pressure-bearing valves of industrial pipelines, cast steel valves are widely used because of their economy and design flexibility. However, various casting defects such as sand...
Technical Requirements for Boilers Safety Valves
- Feb 24, 2021
- Hits: 153
Technical requirements for boilers safety valves are as follows: 1. At least one safety valve should be installed for boilers with a rated evaporation capacity lower than 0.5t/h; for boilers...
An Introduction to Safety Valves for Boilers
- Feb 17, 2021
- Hits: 48
A safety valve is one of the main safety accessories of the boiler. It can automatically prevent the steam pressure of the boiler from exceeding the predetermined allowable range, thereby ensuring...
Importance and Load Bearing Analysis of Boiler Safety Valves
- Feb 06, 2021
- Hits: 21
A safety valve or a globe valve is one of the main safety accessories of steam boilers. As a valve with important protection functions, safety valves are widely used in various pressure vessels...
The Seven Industries Using the Most Valves
- Jan 26, 2021
- Hits: 40
A valve is an extremely versatile device that can be found almost anywhere. Valves can be seen in houses, power plants, paper mills, refineries and various infrastructure and industrial facilities. Valves are...
The Sealing Principles of the Valve (Part Two)
- Jan 23, 2021
- Hits: 19
Airtightness of liquid The sealing performance of the liquid is performed by the viscosity and surface tension of the liquid. When the capillary of the valve which is leaked is filled...
The Sealing Principles of the Valve (Part One)
- Jan 13, 2021
- Hits: 38
There are many types of valves, but the basic function is the same, that is, connecting or cutting off the medium flow. Therefore, the sealing problem of the valve is very prominent. To...