Gas steam boiler is also known as steam generator, its feed water equipment in the boiler room in the boiler room feed water equipment is a very important equipment in the whole boiler system.It is responsible for supplying the steam boiler with the "raw material" needed to produce the steam it needs.During the operation of the boiler, it is necessary for the water supply equipment to operate synchronously so as to supply water to the boiler continuously, so that the boiler can get enough water supply for normal and safe operation.Classification of water supply equipment for steam boilers.There are two kinds of feed water methods for steam boiler, one is steam feed water and the other is electric feed water.Steam feed water equipment mainly refers to water injector and steam reciprocating pump, usually in the boiler as a standby feed water equipment.Another comparison of the common electric water supply method is through the electric centrifugal pump and vortex pump to feed.Steam boiler in the process of operation usually demand water supply equipment has active control function, choose the water level down to a certain position can actively open the pump to the boiler water, water to a certain position can actively stop the pump "position" conditioning.Hot water boiler can also be in (out) water temperature or heating conditions for cycle conditioning.So gas boiler is usually equipped with electric centrifugal pump or vortex pump, and not with steam feed water equipment. 

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The safety of boilers under high temperature and pressure is very important.Even small boilers, once the explosion, the consequences are very serious.Therefore, the boiler material selection, design calculation, manufacture and inspection have been made strict laws and regulations.