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Home / Products / Pneulead / Pneumatic Detecting Units / Pressure Switch

Pneulead Pressure Switch Wholesale

PRODUCT

Wholesale Pneulead Pressure Switch Manufacturers

Simply speaking, the pressure switch is actually a pressure control device to control the pressure of the equipment. When the measured pressure of the pipeline or other equipment reaches the set value, the mechanical or electronic pressure switch sends out a control signal.

Working principle of pressure switch: When the pressure inside the device is higher than or lower than the rated pressure value of the pressure switch, the sensor inside the switching disc or other sensing components move instantaneously, through the connected guide rod to push the switch connector through or off, when the pressure inside the device drops to the recovery value, the switching disc instantaneous reset, the pressure switch automatically reset. Simply speaking, when the pressure of the equipment exceeds the rating of the switch, the free end of the switch's internal elastic element produces displacement, directly or indirectly pushing the switch element, so as to change the switch element on and off state, has achieved the purpose of controlling the equipment pressure.
HLP series, PZ1 series, and PZ10 series are not used in explosive atmospheres and the practical medium should not be corrosive. The repetition accuracy of the PZ1 series is high: ≤±1%F.S. Fast response time: 5ms. Differential pressure can mediate the advantages of setting. PZ10 series has the advantages of being easy to use, and a super small size: 26*10*10.4mm.

About Group

PNEUMATIC SYSTEM PROFESSIONAL SOLUTION

Ningbo Sono Manufacturing Co., Ltd. is China Pressure Switch Manufacturers and Wholesale Pneulead Pneumatic Pressure Switch Suppliers, which has a history of 25 years in pneumatic field. Our company has set up Zhejiang provincial research and development center and hired domestic and overseas engineers，we have powerful exploiting capacity, we produce six series of products as following: Air source treatment, Pneumatic control elements, Pneumatic act elements, Air press punch, Pipe fittings and Pneumatic tubes, electricty control cylinder. We have the ability to supply the whole set of pneumatic system. Adopting the international advanced technique and machine equipment, we have passed ISO9001:2015 and got CE, ROHS certifications. And developing actively the market of home and abroad and building a wide sales net and after-sale service system. Satisfactory service to customers.
Meanwhile, we won “National High and New Techno-logy Enterprises”, ” Technology Innovation Model Company” and so on. STNC brand has been Famous Brand in Zhejiang province, STNC products have been regarded as brand products in Zhejiang province, selling well all over the world.

Ningbo Sono Manufacturing Co., Ltd.
Ningbo Sono Manufacturing Co., Ltd.

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Industry Knowledge Extension

What Types of Pressure Switches Exist?

There are several types of pressure switches, each designed for specific applications and operating conditions.
Electromechanical Pressure Switches:
These switches use mechanical components, such as diaphragms or pistons, to actuate an electrical switch based on changes in pressure. They are widely used in various industries.
Solid-State Pressure Switches:
Solid-state pressure switches use semiconductor devices, such as transistors or microelectromechanical systems (MEMS), to detect pressure changes and trigger electrical signals. They often offer faster response times and greater reliability.
Differential Pressure Switches:
Designed to monitor the difference in pressure between two points, these switches are commonly used in air and fluid filtration systems, as well as in industrial applications where pressure differentials are critical.
Vacuum Pressure Switches:
Specifically designed to monitor and control vacuum levels, these switches are crucial in applications where maintaining a certain level of vacuum is essential, such as in vacuum pumps or packaging machines.
Hydraulic Pressure Switches:
These switches are designed to operate in hydraulic systems, where they monitor pressure levels in hydraulic fluid. They are common in heavy machinery and industrial hydraulic systems.
Pneumatic Pressure Switches:
Similar to hydraulic pressure switches, pneumatic pressure switches are designed for air and gas applications. They play a vital role in controlling compressed air systems in various industries.
High-Pressure Switches:
Engineered to handle elevated pressure levels, high-pressure switches are used in applications such as hydraulic presses, waterjet cutting machines, and industrial equipment operating under high pressures.

How to Maintain Pressure Switches?

Maintaining pressure switches is crucial to ensure their reliable and accurate performance over time.
Regular Inspection:
Periodically inspect the pressure switch for any signs of wear, corrosion, or damage. Check the housing, electrical connections, and pressure sensing elements for visual abnormalities.
Calibration:
Regularly calibrate the pressure switch to ensure its accuracy. Calibration should be performed using appropriate equipment and according to the manufacturer's specifications. Calibration frequency may vary based on the application and environmental conditions.
Check Electrical Contacts:
Examine the electrical contacts for signs of arcing, pitting, or corrosion. Clean or replace contacts as needed. Ensure that the switch's electrical connections are tight and secure.
Verify Setpoints:
Confirm that the pressure switch is operating within its specified setpoints. Adjust or recalibrate as necessary to meet the required pressure thresholds for the application.
Inspect Seals and Gaskets:
Check the seals and gaskets for any wear or damage. Damaged seals can compromise the pressure switch's ability to maintain accurate pressure readings. Replace seals and gaskets if necessary.
Environmental Considerations:
Consider the environmental conditions where the pressure switch is installed. Ensure that it is protected from extreme temperatures, humidity, and corrosive substances. Install weatherproof or protective enclosures if needed.
Testing Response Time:
Test the response time of the pressure switch to ensure it reacts appropriately to pressure changes. This can be critical in applications where quick response is essential for safety or process control.
Inspect Vent Holes:
Some pressure switches have vent holes to equalize pressure on both sides of the diaphragm. Make sure these vent holes are clear and free from any obstructions.