Water resistance test system for gas-heating water heater
The utility model relates to a water resistance test system for a gas-heating water heater. A pneumatic valve 3, a butterfly valve, a pneumatic valve 5 and an electric control valve are sequentially arranged on a water inlet pipeline and a water return pipeline of the heating water heater; a pneumat...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
04.07.2012
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model relates to a water resistance test system for a gas-heating water heater. A pneumatic valve 3, a butterfly valve, a pneumatic valve 5 and an electric control valve are sequentially arranged on a water inlet pipeline and a water return pipeline of the heating water heater; a pneumatic valve 1 is connected in parallel with the electric control valve on a pipeline on which the pneumatic valve 3 is connected in series with the butterfly valve; a pipeline on which the pneumatic valve 1 is connected in series with the electric control valve is connected with a lower drain pipe; the lower drain pipe is provided with the pneumatic valve 3 and is connected with an upper drain pipe; the water return pipeline of the heating water heater is connected with a water supply pipe, an exhaust pipe and a difference pressure transmitter; the water supply pipe is provided with a pneumatic valve 6 and a water tank; the exhaust pipe is connected with the upper drain pipe; the upper drain pipe is provided with a pn |
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Bibliography: | Application Number: CN20112419001U |