Water resistance test system for gas-heating water heater

• Main Authors: LIU TONG, YANG LIJIE, HE GUILONG, HAO RANRAN, HU YU
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2012
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

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