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...
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 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...
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...
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...
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...
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...
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...
Currently, valves generally have defects of poor sealing performance, of which many buyers and even sellers do not know how to solve the problem. After careful study and comprehensive discussion,...
The function of the check valve is to allow the medium to flow in only one direction and to prevent flow in the opposite direction. Normally, the check valve works automatically. The...