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Can the Hall and Collins Tubes be inserted into pressurized lines for a hot test (the water pump is not turned off)?

April 26, 2017Collins Hall hot inserted pressurized Test tubes turned water pump

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Can the Hall and Collins Tubes be inserted into pressurized lines for a hot test (the water pump is not turned off)?

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It depends on how wet you want to get. The Hall tube can be inserted through a valved manifold the side of the pipe. It requires a Long version of the tube. The Collins-Style tube cannot be inserted into a pressurized pipe without getting quite wet.