Symptom
Fumes (vapors) from Sulfuric Acid may have had an adverse effect on the Delrin (Acetal) plugs of an ARO Compact-Series Diaphragm Pump. The plugs are located on both sides of the air motor's major valve on the pump.
Environment
This article will benefit maintenance personnel, sales representatives, customer service and end-users who have ARO Compact Series Diaphragm Pumps in service.
The article will explain how airborne fumes (vapors) from Sulfuric Acid may have an adverse effect on the Delrin (Acetal) plugs of an ARO Compact-Series Diaphragm Pump.
In certain applications, the fumes can result in cracking of the Delrin (Acetal) plugs on ARO Compact Series Diaphragm Pumps.
Resolution
Please see attached documentation, which identifies alternatives to the standard Delrin (Acetal) air motor plugs.
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