| 摘要 |
<p>The valve (2) has a housing provided with a medium inlet port and a medium outlet port. The inlet and outlet ports are connected with each other. An electrically deactivatable permanent magnet (2.9) holds the valve by a double piston with a piston rod against force of a spring in a standby mode until an electrical signal to the permanent magnet is deactivated. The permanent magnet is arranged in a separate removable housing. The piston rod of the double piston is magnetized. A magnetizable disk is arranged between the piston rod and the magnet.</p> |
