Plate lining large PTFE storage tank Tight lining is the most advanced craft which is different from loose lining craft,the so-called loose lining is the teflon panel completely separate from the carbon steel body,When teflon panel under pressure by internal fluid,teflon panel will be close to the steel body,and depend on the steel body to sustain fluid prssure. If loose lining was being chosen,the flange will inevitable increase,Flatness of the flange will reduced because due to uneven force,and it will lead to leakage of materials.In addition,welded joints are not fastness in this process,once the welded joints was fractured,the corrosive liquids will corrode steel body quickly and result a nasty accident. In this process,there is a gap between teflon panel and steel body,leak point cannot be checked out by electric spark.Corrosive liquid was placed inside the device,the corrosive liquids will corrode steel body quickly and result a nasty accident. In a word,loose lining craft has a lot of disadvantages,but tight lining craft don’t have those problems,it is the most safty and steady craft.
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