| 摘要 |
<p>The irrigation valve installation has an inflating component which serves the valve dependent upon its degree of wetness, and is under the influence of the water flowing away through the valve. The installation is formed to be stuck into the ground, and the inflating component (1) has a section (b) which is normally below earth level. Attached to the valve is an outlet conduit (3) which has a droplet outlet point (9) which is at an adjustable distance (c) from the inflating component. Passing through the valve body is a constricted hose (3), the counter bearing (2') of which is adjustable.</p> |
