The REMCO Accumulator/Pulsation Dampener Tank is a bladder type pressure storage vessel device designed to hold water under pressure.  The tank provides additional water storage to assist a pump in meeting total demands of the system.  It extends pressure switch-controlled pump life by reducing pump on/off pulsation known as pump cycling.
 
Features:
Dampens pump switch cycling and pulsations
Limits harmful spikes and water hammer
Minimizes hydraulic noise
 
Specifications:
Model: RACT-820-NPT-SB
Precharge Pressure: 20 PSI
Max Pressure: 125 PSI
Ports: 1/2″ Male NPS
Dimensions: 8.92″ x 4.8″ x 4.13″
Total Volume: 28oz