Specification Replaceable membrane pressure tanks Carbon steel & Stainless Steel Working temperature: EPDM : 20°C – 120°C A pressure tank is fitted to all complete Prakash Pressure Booster System. Its Purpose is as below. To provide Supplemental pressure in the system to reduce the cycle time of the pump starts. To reduce effects of any water hammer in the system. The below recommend table fulfills the minimum requirement of pressure and water capacity for normal applications. Adding extra pressure tanks will always assist in smoother operation of the pump set and may be required if you have a fast reacting system.