意大利都灵市厂商“鲍斯考—考”制成了一种自动给水阀,它能够自动地依次接通喷灌系统各部份投入工作。给水阀应用于缓慢的喷灌系统,特别适合夜晚灌溉。给水阀由阀体1,进水口E和带有快速接头的二个出水支管A、B,液压缸2,活塞阀3,转换阀4和控制阀门的计时机构5组成。当水压作用于液压缸左 Turin City, Italy manufacturers, “Boss test - test” made of an automatic water valve, which can automatically turn the sprinkler irrigation system connected to each part of the work. Water supply valve for slow sprinkler system, especially for night irrigation. The water supply valve consists of a valve body 1, a water inlet E and two water outlet branches A, B with a quick connector, a hydraulic cylinder 2, a piston valve 3, a changeover valve 4 and a timing mechanism 5 for controlling the valve. When the hydraulic pressure on the left cylinder