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.
This signs and symptoms information for Fecal impaction has been gathered from various sources, may not be fully accurate, and may not be the full list of Fecal impaction signs or Fecal impaction symptoms. Furthermore, signs and symptoms of Fecal impaction may vary on an individual basis for each patient.