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.
The following may be symptoms of fecal impaction: 1  Being unable to have a bowel movement. 2  Having to push harder to have a bowel movement of small amounts of hard, dry stool. 3  Having fewer than the usual number of bowel movements.  Having pain in the back or abdomen.
Causes of Colon Impaction (DIET) There are a variety of things that can cause an impacted colon. The most common cause would be poor eating habits and diet. It can also be caused by other digestive disorders, such as Irritable Bowel Syndrome (IBS) and Crohnâs Disease.