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Used for blocking off drain pipes and for air testing. Diameter range 3 1/2in. to 6in. (89-150mm). Maximum inflation pressure 12psi (0.86bar). Tough rigid plastic central mandrel has inflatable replaceable collar secured by 2 clips. Central nipple is for connection to U Gauge. The reverse end of plug has removable stopper for an air test. Replace the stopper and use as a drain plug for blanking off pipes. Ideal for use with 174Z Air testing kit.Use 1308Q pump to inflate. Inflate slowly, stop inflating when seal is achieved. Weight 0.3 kg.
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