| 摘要 |
An automatic electric pump (10), provided with a pump body containment case (11), to which an intake duct (14) and a delivery duct (15) for the fluid are connected; inside the containment case (11) there is a volute (12) in which an impeller (13) is installed which is keyed on the shaft of a motor (16) arranged on one side of the containment case (11); the automatic electric pump (10) comprising a gravity flow control valve (17), which is installed at the delivery duct (15) and is arranged so that the sliding axis (22) of the valve element (20) with which it is provided is inclined at 45° with respect to the vertical (25); the delivery duct (15) being divided into a first portion (26), which is integral with the volute (12), and a second portion (27), which is connected to the first portion (26) by connection means (28) which are designed to adjust the installation position of said gravity flow control valve (17), which is integral with said second portion (27). |
