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Многоходовой клапан LFA12: Надежный выбор от китайского поставщика и фабрики для экскаваторов до 6 тонн
Технические параметры
| Обзор | |
| Конструкция | Разъемная деталь |
| Способ монтажа | См. чертеж |
| Соединение | Резьба |
| Диаметр мм | 12 |
| Гидравлика | |
| Номинальное давление бар | 250 |
| Максимальное давление бар для портов A и B | 280 |
| Максимальное давление на портах a и b бар | 30 |
| Максимально допустимое обратное давление бар | 15 |
| Давление первичного предохранительного клапана бар | 100~250 |
| Давление вторичного предохранительного клапана бар | 150~315 |
| Утечка (при 100 бар, 36 м²/с, 50°C) мл/мин | 30 |
| Расход л/мин | 100 (макс. за штуку) |
| Диапазон температур гидравлического масла ℃ | -20~+100 |
| Диапазон вязкости м²/с | 10~460 |
| Допустимый уровень загрязнения масла | -/19/16 (ISO4406:1999) |
| Оборудование | |
| Общий вес кг | Около 35 |
Принцип работы
Frequently Asked Questions
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Q What is the nominal pressure rating of this load-sensing valve?The nominal operating pressure of this valve is 250 bar, with a maximum allowable pressure of 280 bar at ports A and B.
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Q What is the maximum flow rate supported by this valve?The maximum flow rate is 100 l/min per unit, making it suitable for high-performance hydraulic systems requiring precise flow control.
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Q What hydraulic oil temperature range is this valve designed to handle?This valve is rated for hydraulic oil temperatures ranging from -20°C to +100°C, ensuring reliable performance across a wide range of environmental and operational conditions.
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Q What is the adjustable pressure range for the primary and secondary safety valves?The primary safety valve can be adjusted between 100 and 250 bar, while the secondary safety valve has an adjustment range of 150 to 315 bar, offering flexible system protection.
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Q What oil cleanliness level is required for proper operation?The valve requires an oil contamination class of -/19/16 according to ISO 4406:1999. Maintaining proper filtration is essential to ensure long service life and stable valve performance.
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Q How is this valve connected and what is its port diameter?The valve uses a threaded connection with a port diameter of 12 mm. It is designed as a split-type component and should be mounted according to the engineering drawing provided.