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The difference between stainless steel water tank and FRP (Glass Fibre Reinforced Plastic) water tank of pure water equipment
Aug 29, 2018

In the whole process of purified water equipment, the water tank is very important in the process. Now many water plants use no more than stainless steel water tanks and FRP water tanks, what is the difference between them?


The function of water tank is to store water. There are raw water tank and purified water storage tank, especially the purified water storage tank is an important storage equipment to ensure the quality of water purification. The size and capacity of the water tank should be determined according to the actual production situation.


The stainless steel water tank is made of the most advanced 304 stainless steel material. It has the advantages of beautiful shape, economical use, long service life, not easy to damage, easy installation, no maintenance, light weight, high strength, corrosion resistance, high temperature resistance, clean water quality, anti-seepage, anti-seismic, convenient to clean. When choosing to use stainless steel water tank, the water tank should be fully filled with water, after 2 to 3 hours, with a weight of 0.5 to 1.5 kg of hammer lead along the weld about 150 mm on both sides of the place tapping, no leakage is qualified. Manufacturers of general water tanks will conduct tests, and unqualified products will continue to carry out welding tests. The stainless steel water tank is made of low water pollution ability, acid and alkali resistance, no secondary pollution, no odor, no moss growing, well-sealed water tank.


Stainless steel water tank


Glass fiber reinforced plastic water tank is made of food-grade resin board splicing. It has beautiful appearance, long service life, high strength, light weight, convenient storage and can keep the best state of water quality. The manufacture of FRP water tank conforms to the national standard and is used in many fields, such as residential buildings, restaurants, fire water and so on. The material used in FRP water tank has advantages and disadvantages. The material selected is polluting to water, will produce secondary pollution, because of poor sealing conditions, there will be odor in the water, and cracks will appear between 1.5 and 3.5 years. The best use of FRP tank concrete foundation, the tank filled with water after 24 hours, there is no leakage phenomenon is more qualified.


Glass fiber reinforced plastic water tank