| 摘要 |
<p>The valve (1) has a sealing piston (3) provided between a large constant flow area (4) for a fire extinguishing agent-container (8) and an upper pressure chamber (5). The flow cross-section is closed in a valve body (2) defined by a lower part (17) of the piston, where the lower part is radially closed with a lateral surface of the flow cross section. A seal (13) is arranged in lateral surface of the lower part of the piston, and a connecting channel is arranged between an upper pressure chamber (5) and a chamber under the piston, and a locking device is arranged in the channel.</p> |
