The advantages of fiberglass membrane shell important two points:
1, cheap, relatively stainless steel 316 shell, the price can be about 60%.
2, corrosion resistance.
The disadvantages are as follows:
1, easy to scratches the appearance of the coating.
2, the pressure coefficient is low, some high pressure environment does not apply.
3, the membrane of the water end of the threaded connection does not meet the health requirements, not applicable with the pharmaceutical purified water or TOC demanding technology.