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Help CenterLF52 OEM Water Flow Central Air Conditioning Differential Pressure Switch
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2. Product Specifications:
This adjustable differential pressure switch LF52 is developed for sparingly using in different differential value requirements. It is widely applied for detecting the differential of water filter, pump, heat exchanger, chillers and its coil units.
When the water flowing (differential) decrease or increase to the setting point, there will be an alarm or cut off output signal for the self-controlling system. It’s also available for indicating the status of pump or water filter.
Double differential settings pressure switch can take the replacement of the vane flow switch and avoid changing the vane flow switch from chillers each year.
Reference standard
1. UL508
2. GB14048-2000 ( Low voltage switchgear and control equipment general provision )
3. GB14048.5-2000 (Low voltage switchgear and control equipment, part 5-1 Control equipment and switching elements )
4. ROHS certificate.
Data sheet
1. Media: Non hazardous media such as water, air, oil etc…
2. Contact arrangement: SPDT(micro switch)
3. Electrical rating: 3A 250VAC
4. Working pressure
Working pressure Range |
Model |
Pressure |
Differential |
52-15 |
5-15kPa |
3kPa |
|
52-30 |
5-30kPa |
3kPa |
|
52-70 |
6-70kPa |
5kPa |
|
52-100 |
6-100kPa |
6kPa |
|
52-200 |
10-200kPa |
10kPa |
|
52-300 |
20-300kPa |
15kPa |
|
52-400 |
30-400kPa |
20kPa |
5.Storage temperature: -29°C - 82°C
6. Ambient temperature: -20°C - 71°C
7. Media temperature: -20°C - 93°C
8. High and low pressure connections: 1/4"SAE(7/16"-20UNF), NPT1/4" brass
9 Maximum static pressure: 10/16/20bar
10.Maximum differential: 10/16/20bar
11. Setting repeatability tolerance: ±1%
12. Protection Grade: IP54
13.Electrical endurance: 30000 cycles
14. Mechanical endurance: 100000 cycles
15. Contact resistance:≤100mΩ
16. Insulation resistance: ≥10MΩ
17. Dielectrical property: No breakdown and flashover phenomena under 1200V for one minute.
18. Material: Outlet hole, low pressure side, high pressure side, pressure adjusting screw,
3. Product Dimensions(mm) :
4. Product Application:
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