| 摘要 |
A leak detecting apparatus for detecting flow of gas through a gas pipe system in house trailers and the like includes a tilting clear bowl partially filled with liquid and containing a submersible flow tube which is free of the liquid during normal flow and which is immersed during leak detecting conditions whereupon a leak creates visible bubbles. The leak detecting apparatus may include a cooperative arrangement associated with a door to produce a testing sequence before the door is opened. The leak detecting apparatus may include a valve member selectively movable to interrupt gas flow in the gas pipe system and bores and passages for directing any gas flow to and through the submersible flow tube.
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