EPE (Item №1 in your inquiry). Bladder accumulator with capacity 20 lt, max pressure 360 bar, connection 2"BSP with OR, gas fill valve 5/8"UNF CE/PED certificate Precharge: 30 bar Confirmation of the compatibility of the elastomer is on the responsibility of the customer. The offered products, unless otherwise specified, are intended for group 2 fluids according to PED.