Sullair Air compressor Genuine Original Pressure Switch / Pressure Sensor

In this post, CPMC China would love to present you some of the Genuine Sullair Air compressors Pressure Switch – the Pressure Sensor which were frequently asked by our international buyers. If you can not find your pressure sensor’s part numbers, please provide your air compressors name plate, series numbers, with pictures, etc for us to do cross-checking. As one reliable China air compressors and Genuine spare parts distribution network, CPMC (China Pudding Mechatronic Co.CPMC) will always try best to provide International buyers with FANTASTIC prices.

Sullair Air compressor Pressure Switch / Pressure Sensor

1. Sullair air compressor pressure switch 88290008-451
2. Sullair air compressor pressure switch 02250050-154
3. Sullair air compressor pressure switch 407778
4. Sullair air compressor pressure switch 250041-638
5. Sullair air compressor pressure switch 250017-992
6. Sullair air compressor pressure switch 040694
7. Sullair air compressor pressure sensor 250039-910
8. Sullair air compressor pressure sensor 88290003-536
9. Sullair air compressor pressure sensor 88291004-848
10. Sullair air compressor pressure sensor 88290018-703
11. Sullair air compressor pressure sensor 881014-514
12. Sullair air compressor pressure sensor 88290019-805
13. Sullair air compressor pressure sensor 88290023-011
14. Sullair air compressor pressure sensor 88290012-827
15. Sullair air compressor pressure sensor 8890003-806
16. Sullair air compressor temperature sensor 88320001-053
17. Sullair air compressor temperature sensor 88291010-144
18. Sullair air compressor temperature sensor 881014-534
19. Sullair air compressor temperature sensor 88292003-308
20. Sullair air compressor temperature sensor 88298000-712
21. Sullair air compressor temperature sensor 88290021-986
22. Sullair air compressor temperature sensor 02250189-632
23. Sullair air compressor temperature sensor 02250189-631
24. Sullair air compressor temperature sensor 02250058-087
25. Sullair air compressor temperature sensor 045641
26. Sullair air compressor pressure sensor 02250182-800
27. Sullair air compressor temperature sensor 250039-909

Sullair Air Compressor Pressure Switch Applicable models: LS10-25/30/40, LS12-50, LS16-60/75/100 (L/H model)

Pressure switch range adjustment:

1. Remove the cover of the pressure adjustment switch;
2. Select the maximum operating pressure through the pressure range adjustment screw. Turn counterclockwise to decrease the set value.

Pressure switch pressure difference adjustment

The differential pressure is the difference between the maximum operating pressure and the minimum operating pressure, and is generally set to 10 psig (0.7bar).

1. Set the minimum operating pressure through the differential pressure adjusting screw. Turn counterclockwise to increase the pressure difference.
2. After the pressure adjustment switch is adjusted, the pressure regulator must be adjusted to determine the pressure at which the air volume adjustment starts.

Electronic type

Another one is the electronic pressure switch that has been popular in the market in recent years, which is used to replace electric contact pressure gauges and used in systems with higher industrial control requirements. This kind of pressure switch has a built-in precision pressure sensor, which amplifies the pressure signal through a high-precision instrument amplifier, collects and processes the data through a high-speed MCU, and generally uses a 4-digit LED to display the pressure in real time, the relay signal output, and the upper and lower limit control points can be set freely , Small hysteresis, anti-vibration, fast response, stable and reliable, high accuracy (the accuracy is generally ±0.5%FS, and the high is ±0.2%FS), the use of hysteresis setting can effectively protect repeated actions caused by pressure fluctuations, and protect control The equipment is a high-precision equipment that detects pressure and liquid level signals, and realizes pressure and liquid level monitoring and control. The characteristics are: the electronic display is intuitive, high-precision, long-life, convenient to set the control points through the display, but relatively expensive and requires power supply.

Mechanical Pressure Switch 

Mechanical pressure switch is purely mechanical deformation caused by micro switch action. When the pressure increases, the different sensing pressure components (diaphragm, bellows, piston) will deform and move upward. Through the railing spring and other mechanical structures, the micro switch on the upper end is activated to output the electrical signal.

Working principle of pressure switch

When the pressure in the system is higher or lower than the rated safety pressure, the disc in the sensor moves instantaneously, and the switch connector is pushed on or off through the connecting guide rod. When the pressure drops or rises to the rated recovery value, the disc The chip resets instantly, the switch automatically resets, or in simple terms, when the measured pressure exceeds the rated value, the free end of the elastic element is displaced, and the switch element is pushed directly or after comparison to change the on-off state of the switch element to achieve control. The purpose of pressure measurement. The elastic elements used in the pressure switch include a single-turn spring tube, diaphragm, bellows, and bellows.

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