AODD Pumps | Double Diahragm Pumps. Metex Corporation Limited is a leading manufacturer's representative and distributor of AODD Pumps (Air Operated Double Diaphragm Pumps) for a wide range of industrial markets â including chemical, mining, oil & gas, power generation, pulp and paper, and general industry.
Signs and Symptoms of an Impacted Colon. Because pressure is being placed on your abdomen, impaction can cause a loss of appetite. You will gain weight because the waste accumulates in your body and it has nowhere to go. When and if you decide to use a colon cleanser, you might lose several pounds.
Symptoms of fecal impaction include being unable to have a bowel movement and pain in the abdomen or back. The following may be symptoms of fecal impaction: 1  Being unable to have a bowel movement.  Having to push harder to have a bowel movement of small amounts of hard, dry stool.