| 摘要 |
Electrovalve Normally opened electrovalve comprising a body, a supple and deformable membrane perforated at its periphery and reinforced at its center by means of a rest member both provided with a central aperture, the membrane and the member being intended to obturated the water passage in resting onto the seat of the body, an electro-magnet and a spring acting on a core to ensure the closure and the opening of the passage, characterized by the fact that the electro-magnet 14 is mounted in a housing 15 which comprises a backspace 21 for the core 22, the said core comprising a rod 17 which extends it towards the resting member 4 provided at its end with a tightening joint 18 so that when the valve is out of tension the spring 20 pushes the core 22 into the backspace 21 and liberates the membrane 2 and the resting member 4 from the seat 13. (figure 1).
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