Profile: Accu-Rite Products is a manufacturer of low cost pulsation dampeners and calibration columns used for chemical metering in waste water & water treatment systems. Pulsation dampeners are made of PVC with a media compatible reinforced rolling diaphragm. Dampeners are provided with air charging valve and pressure gauge. Line pressure should not exceed 150 psi, with a maximum pressure of 75 psi for the air diaphragm. Calibration columns are made of chemical resistant construction materials such as acrylic, PVC or borosilicate glass. Top flange of our column is sealed and vented to prevent spillage.