BG (NJ) Type Marine Constant Pressure & Frequency Conversion Water Supply Unit
Properties
The marine constant pressure & frequency conversion water supply unit is a new type of electromechanical integrated water supply device that applies the AC frequency conversion speed regulation technology and programmable control technology to the automatic control of the water pump and combines with the pump motor unit.
The unit is mainly composed of a pressure sensor and a PID regulator to form a closed-loop regulating water supply system. It can automatically adjust the speed of the pump motor according to the difference in water consumption, and automatically decide and control the start and stop of the pump in the unit to meet the user’s needs of constant pressure & variable water supply, and maintain the best state of high efficiency and energy saving.
The marine constant pressure & frequency conversion water supply unit overcomes the disadvantages of the previous hydrophores, such as large volume, heavy weight, and high energy consumption, and has the advantages of small size, light weight, energy saving, reliability, low noise, and long motor life.
The unit is designed and manufactured in accordance with national and marine standards, with advanced technology and excellent product performance.
Model description
BG(NJ) X – X – X F
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S: Seawater, F: Fresh water
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Water supply head (mH₂O)
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Max. water supply (m³/h)
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Number of pumps
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Marine constant pressure & frequency conversion water supply unit
Main performance parameters (example)
| Model | BJ(NJ)2-30-80F |
|---|---|
| Method of water supply | Frequency conversion/power frequency water supply |
| Normal water supply | 0~30m3/h |
| Automatic frequency conversion water supply pressure | 0.8MPa (adjustable) |
| Automatic power frequency water supply pressure | 0.6MPa Start at 0.6MPa, stop at 0.8MPa |
| Rated power | 12KW |
| No. of pumps | 2 sets (1 for use and 1 for standby) |
| Rated capacity of a single pump | 30m3/h |
| Rated head of a single pump | 80m |
| Diaphragm pressure tank | 200L |
| Power supply | AC380V、50Hz、3φ |
Note: The description may be different with the product, please contact us for quotation.
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