The comparisons between electric valve and manual valve?

Many people think that your electric valve, the use of high cost, in fact not the case, if the overall calculation, the traditional valve to add many parts and pipe installation,...


Why do users need to know some basic heating knowledge?

Because of the complex structure of the heating facilities, the internal medium of the pipeline has higher temperature and pressure,in order to heat safely, the user should kn...


Why can not users cover heating?

Coupled with "packaging" of the cooling facilities, the first effect of the heat conduction, convection and radiation effects, thus affecting the heating effect, after experimen...


Why can not the user access to the water heating?

Heating heat by heating system to achieve the cycle of hot water, if the use of heating water, can easily lead to heating system due to lack of water can not guarantee heatin...