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Chain Grate Steam Boiler’s Common Water Gauges

  • Date Submitted: 02/10/2015 11:54 PM
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Chain grate steam boiler’s common water gauges


The water gauges should be installed to show the boiler water level timely and accurately,the following water gauges are commonly used by chain grate steam boilers:


Floating ball water level gauge





Floating ball water level gauge has hollow quartz glass ball in cavity,the ball is filled with halogen colorants.,its advantage is that the dividing line of steam and water is very clear. Its working principle is that when there is high temperature steam or boiler water in table cavity,a colorful ball will float on the liquid,and changs its location synchronously with the rise and fall of liquid level.


Plate type water level gauge


Plate type water level gauge has two types of single-sided and double-sided glass,it mainly composed by glass pane, metal frame box,steam cock,water cock,water drain valve and other components,Water gauge box box is made of cast iron, cast steel or ductile cast iron depending on the working pressure,it is also known as glass tube type water level gauge and glass plate type water level gauge.Compared with the glass tube type water level gauge,the glass plate type water level gauge can bear a higher pressure and temperature and is not easy to leak,its structure is more complex,and is widely used in boiler,the glass tube type water level gauge has simple structure and is cheap,and is widely used in small low-pressure boiler.


Bi- color water gauge


Bi- color water gauge is designed based on principles of optics,by using it, the operator can accurately determine the water level even at long distances or at night,especially when the chain grate steam boiler has a serious water shortage or overflow,it is very eye-catching with all green or all red color appearing in water table.





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