The DY type single-phase electric pressure test pump (hereinafter referred to as the test pressure pump) produced by Haiyangyang Pump Industry Co., Ltd. is driven by 220V single item electric power, and is designed with a portable handle and a plastic water tank. Also known as DSY portable electric test pump, portable electric test pump, suitable for water or hydraulic oil as medium, for various pressure vessels. Pipes, valves, etc. are pressure tested and used for hydraulic energy to provide the required pressure, suitable for chemical, construction, plumbing, petroleum, coal, smelting, shipbuilding and other industries.