| 摘要 |
FIELD: agriculture, in particular, drop irrigation. ^ SUBSTANCE: dropper has nipple mounted within pipeline opening and equipped with porous member in outlet part of channel and adjusting member at end of nipple. Porous member is made from gas-expanded plastic, such as polyurethane, and is shaped as flat disk in its initial position. Adjusting member formed as hollow screw with cone at its apex part and nut with conical cavity. Radial cuts are provided at apex part of cone of hollow screw. Screw is mounted with its threaded portion within nut. Nut is located at the end of nipple. Screw is joined through porous member with outlet part of nipple channel and with nut conical cavity. ^ EFFECT: simplified construction, provision for delivery of irrigation water within predetermined range of flow rates. ^ 1 dwg |
