Pressure Switch

The SPS11 switches are fixed set point, factory-calibrated pressure switches. They have an automatic reset and can have normally open or normally closed contacts. All metallic wetted components make the SPS11 switch compatible with a multitude of chemicals in liquid or gas form. It offers numerous types of electrical terminations, from different sizes and styles of push-on terminals to wire leads with an array of standard industry connectors. In-house machining capabilities allow Anwoll to offer a wide variety of pressure fittings, from different thread types and sizes to units with internal deflators and copper tubing for sawing operations. Certifications: UL  

PS32 pressure switch is an automatic control device that receives pressure signals and actuates. It is usually used to control the start and stop of compressors and fans in refrigeration systems. It can also be used in water pumps, fire protection, boilers, hydraulics, ironing and other devices as a safety protection. Certifications: UL

PS31 Series pressure switches are used to control the pressure of compressor in refrigerant system, also available in air or water fluid. This series have quite stable performance with internal micro-switch structure. Standard mounting bracket are provided. Certifications: UL

HPS41 series pressure switches are mainly used to control pressure of boiler or water tower regulating system. When the system pressure exceed the setting point, the switch will cut off the circuit for protection. With SPDT contact arrangement, HPS41 switch can detect the pressure change and shift the internal status accordingly to control the on/off of external circuits, which is available for the pressure control, limit and alarm of non-hazardous liquid, gas and steam.

The DPS52 is an adjustable differential pressure switch capable of detecting miniscule changes in pressure due to the size and proven design. The switch set point or switching point can be field adjustable without the need of a manometer by simply using the adjustment knob and the built in calibrated visual scale. This switch is equipped a clear cover that not only protects the adjustment knob to be move involuntary but also provides class IP54 protection. Certifications: UL  

The DPS33 differential pressure switch is a protective device for refrigeration compressors or pressure lubrication of other mechanical. In the refrigeration system, the switch receives the two pressure signals of the discharge pressure of the lubricating oil pump and the suction pressure of the compressor, and maintains a certain range of difference between these two pressures, and when the difference is smaller than the set value, the switch will actuate immediately to automatically cut off the compressor circuit and stop the compressor,thus protecting the compressor. Certifications: UL     catalogue: DPS33 differential pressure switch   1676kb