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.
Urinary urgency, increased or decreased frequency of urination and urinary retention can be symptoms of impacted bowels. When an impaction presses on the bladder, urethra and ureters, it can cause these urinary changes to develop. Urinary incontinence may also develop as a result of an impacted bowel.