Because the daiphragm isolates the moving paarts, these valves are particularly suitaable for handling aggressive fluids, as well as for clean fluid applications, the type of elastomer beingchoosen accordingly. The body itself can also be lined for corrosive duties.
Particular advantages of the diaphragm valve are the glandless construction and absence ofseating problems,Its main limitation is sthaat the maximum service temperature and pressureare limited by the temperature/pressure rating of the elasstomeric material.