Product Overview


used in fluorinated refrigerant Single Differential Pressure Switch

1.About us                                                                                                                                      


Keram(Nanjing) Controls & Equipments Co;,Ltd. Was founded in 2000,a professional manufacturer and supplier of controls equipment and products design. Our products are related to gas safety control,temperature control,time control,over-heating control, pressure and temperature controls used on refridgeration and compressor,water pressure switch and all kinds of solenoid valves and safety valves.

 New Building Of Keram Controls


keram control add more high precision CNC machine to improve product reliability and efficiency






• Q series single pressure controls can be not only used in fluorinated refrigerant, but also in the air and liquid (allowed liquid temp.      -20 to 120°C)
• Adjustable range and differential settings.
• Renovated SPDT micro-switch ensures the reliable switch function.
• Flexible mounting bracket suits various kids of application.
• Upper lid is optional (IP44)
• Various connections are available on request.
• Automatic and manual reset version
• The material of bellows is copper and pressure interface is brass.
• Several models available in drip-proof enclosure for marine applications or in explosion-proof enclosure for special applications
• CE approval








5.Electric Rating                                                                                                                            



6.Electric Wiring                                                                                                                            



7.Connection &  Installation                                                                             Mounting Plate  



8. Product Process & Package                                                                                                                                                                                                     









0.0372 s.