ISO 7714 Agricultural Irrigation Equipment - Volumetric Valves - General Requirements and Test Methods - Fourth Edition
Данный раздел/документ содержится в продуктах:
- Техэксперт: Машиностроительный комплекс
- Картотека зарубежных и международных стандартов
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- Картотека зарубежных и международных стандартов
International Organization for Standardization
Agricultural Irrigation Equipment - Volumetric Valves - General Requirements and Test Methods - Fourth Edition
N 7714
Annotation
This International Standard specifies general requirements and test methods for volumetric valves able to automatically deliver preset quantities of water. It is applicable to valves actuated by pipeline pressure and flow alone, and which do not need any other, external, source of energy.
NOTE Volumetric valves are typically required to operate correctly with different qualities of irrigation water at a variety of flow rates and at temperatures between 5 °C and 50 °C.
Автоматический перевод:
Сельскохозяйственное ирригационное оборудование - объемные клапаны - общие требования и методы испытаний - четвертый выпуск
Этот Международный стандарт определяет общие требования и методы испытаний для объемных клапанов, которые в состоянии автоматически обеспечить заданные количества воды. Это применимо к клапанам, приводимым в действие давлением трубопровода и одним только потоком, и которым не нужен никакой другой, внешний, источник энергии.
NOTE Объемные клапаны, как правило, требуется, чтобы работать правильно с различными качествами поливной воды во множестве расходов жидкости и при температурах между 5 °C и 50 °C.
