A.T.O. Inflatable Pipe Stopper

Size Range from 300mm to 1800mm PRODUCT NAME - A.T.O. Inflatable Pipe Stopper (Air Test Only). Patent No. GB8361283. Registered Trade Mark No. 2299965. PRODUCT FUNCTION - To create an air tight seal in pipes for a back pressure of 4"/100mm U Gauge, as required by British Standards. PRODUCT DESIGN - All Pipe Stoppers are test and blank ends with an inflatable outer ring and soft central membrane, 5mm closed cell sealing surface, car wheel type - 1/4" BSP female valve for inflation and lever ball valve for rapid deflation. Pre-set relief valve to suit stopper size connected by 1200mm umbilical tube. Pull out strap with hook and loop strip to attach U Gauge. PRODUCT POINTS - Totally collapsible, lightweight to handle. Manufactured to exact pipe size. Nominal bore + or - 6mm. Car wheel type valve for air in vent, on/off valve for air out vent. Manufactured and tested to BSEN 1610 - 1998