A water pressure switch is a device used to monitor water pressure in a system and control other devices (like pumps, valves, alarms, etc.) based on a preset pressure threshold.

A pump pressure switch is a key component in automatic water supply systems. It turns the pump on or off based on the pressure in the pipeline or storage tank. This type of switch helps protect the pump, save energy, and prevent damage caused by dry running or overloading.

A pneumatic pressure switch is a sensing device used to monitor pressure in compressed air systems. When the system pressure reaches a preset value (high or low), the switch opens or closes an electrical circuit to control devices such as compressors, valves, or alarm buzzers.

An oil pressure switch is an essential component in mechanical systems – especially in automotive engines, compressors, hydraulic systems, and lubrication circuits – used to monitor lubricant oil pressure.

A vacuum pressure switch detects and monitors vacuum levels (negative pressure) in a system. When the pressure reaches a preset vacuum threshold, the switch opens or closes the electrical circuit to control other equipment or issue warnings.

A chemical pressure switch is specifically designed to operate in corrosive chemical environments, toxic fluids, or reactive conditions. It monitors pressure in pipelines or tanks containing chemicals and triggers device activation or shutdown when the pressure exceeds the setpoint.

A boiler pressure switch is a vital device for monitoring and controlling pressure inside a steam boiler. It activates or disconnects electrical equipment (such as pumps, valves, or burners) based on preset pressure levels to ensure safety and maintain stable working pressure.

Pressure switches can be mechanical (diaphragm spring) or electronic. Mechanical types typically have an accuracy of ±5–15% and do not require an external power supply. Electronic types offer higher accuracy and feature a display screen.

Operating Principle:

When the system pressure increases and reaches the setpoint (195 bar), the switch will open or close the electrical contacts. When the pressure drops below the set threshold (or a differential known as hysteresis), the contacts return to their original state.

Applications of Pressure Switch 195 bar:

1. Pneumatic Systems:

- Monitor output air pressure to protect air compressors.

- Control compressor operation when pressure falls below or exceeds setpoint.

2. Hydraulic Systems:

- Protect hydraulic pumps from running under no-load or overload conditions.

- Trigger alarms or shut down equipment when pressure exceeds 195 bar.

3. Liquid Storage Tanks:

- Control water pump operation when pipeline pressure reaches 195 bar.

- Ensure the safety of sealed tanks by releasing pressure if it exceeds the limit.

4. HVAC Systems (Heating, Ventilation, Air Conditioning):

- Monitor refrigerant pressure to ensure proper operation of air conditioning systems.

5. Domestic or Light Industrial Applications:

- Automatically control water pumps for household use.

- Used in automatic irrigation systems with pressure control.

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