The safety valves of gas-fired boilers are divided into vertical hammer type, lever type, spring type and pilot type (pulse type), and closed type and non-closed type according to the structure of valve body. Closed safety valve is the exclusion of the medium does not leak, all along the outlet discharge to the designated location, generally used in toxic and corrosive media. For air and steam safety valves, non-closed safety valves are mostly used. The selection of safety valve products should be determined according to the actual sealing pressure. For spring relief valves, there are springs with several working pressure levels in a nominal pressure (PN) range. When ordering, besides the type, name, medium and temperature of the relief valve, the sealing pressure of the valve body should also be indicated. Otherwise, the maximum sealing pressure should be supplied.
Like other well-known brands, boilers with good reputation are often perfected in technical consultation, product guarantee and after-sales service, and their performance is more reliable. Therefore, before choosing and purchasing gas-fired boilers, you may wish to compare the boilers manufacturer, through online access or off-line consultation, the information of gas-fired boilers brand can be reasonably evaluated.
Quality is one of the most important indicators to judge the quality of gas-fired boilers. How to ensure that you buy the most suitable gas-fired boilers, quality is the key! To solve this problem, we can start from the following two aspects: First, inform the manufacturer of their specific needs and boiler uses, and let him recommend some suitable gas-fired boiler equipment; 2. Contrast the advantages of several types of boilers recommended by manufacturers in terms of technical parameters, specific operation and functional use, and then select a gas-fired boiler with more reliable quality.
Another point worth mentioning is the after-sales service of boiler manufacturers. Perfect after-sales service can guarantee the reasonable rights and interests of users as far as possible, but also ensure the normal use of boiler follow-up, so that users can have no worries. The three points summarized above are mainly to assist you in choosing and purchasing gas-fired boiler equipment with reliable quality, and not to be cheated by unscrupulous businessmen. Nowadays, the prospects of the whole gas boiler industry are very optimistic. Both environmental protection and energy saving are doing very well. It is the main recommended type of boiler in our country. You can rest assured that you can order it.