Rubber Test Ball Plug, 4"/8"-Free Gift pressure valve and inflation line

【Recommended production process】:  The rubber pipe plug is made of special NR-SBR rubber and reinforced with two layers of rubber.

【Features of Pipe Sealing Water Test Balloons/Air Bags】: They seal parts of pipes in a quick, safe and easy way for efficient maintenance or other pipe system work. Compared with other pipe test balls, the pipe test ball is light in weight, easy to carry, easy to operate and has a simple structure.

【Durable Pipe Test Plug】: The inflatable pipe plug is made of natural rubber, and the inflatable pressure test plug has super expansion and contraction, as well as long-lasting durability, so you can test your pipe system with confidence.

【Rubber Test Ball Plug Multipurpose Use】: The test drain plug can seal round and non-round pipes and can be easily installed through test T-shirts, sanitary T-shirts, floor drains and other hard-to-reach pipe openings. The expandable rubber plug is suitable for sealing various cast iron repair pipes, glass pipes, PVC pipes, PPR pipes, double-wall spiral pipes, etc. and repairing side leaks.

【Notes on using test ball plug extension】:  The inside of the tube must be clean, with a flat surface and no burrs. Otherwise it will affect the tightness. Please check the gauge of the line to determine the size of air bag required and do not overuse it. Use a bicycle pump to blast the test ball as it requires very little air.

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