When the device’s wing nut is screwed tighter a rubber bung expands to create an airtight seal within a pipe. These are used for pressure testing pipe systems.
Inflatable Canvas Drain Testing Air Bag with inflatable rubber bladder which can be used for blocking off pipes during maintenance and similar applications. Key Features Inflatable rubber bladder. Supplied with ¼” brass tap and 1.8m of tubing. Available in sizes from 4″ to 12″.
To be used in conjunction with drain bags.
Used both for testing pipework installations with air for leaks before the introduction of gas and for checking and setting correct gas pressures. For use with domestic and commercial appliances.
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