| 摘要 |
FIELD: agronomical amelioration. SUBSTANCE: dripper has casing with chambers, upper and lower covers, two-way float-type valve in each chamber, and inserts. Upper and lower covers are provided with inlet and outlet openings. Replaceable inserts are mounted in each of axially aligned openings of casing and covers. Float-type valves are arranged in casing chambers for displacement in vertical plane. Each float-type valve is equipped with spherical members positioned for contacting in alternation with spherical belts formed in insert openings. Multiple thread is formed on outer cylindrical surface of each valve. Each coil of thread is joined to pin mounted in casing. Dripper is used for drop irrigation of farm and vegetable crops, berry-fields, gardens, vineyards and other kinds of plantations. EFFECT: enhanced reliability in operation and improved quality of irrigation. 1 dwg |
