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LPS-S1 Diaphragm-Type Pressure Switch
Suitable for measuring the pressure of liquids, gases, or steam, this device compares the measured pressure value with a setpoint to trigger high- and low-limit alarms. The output signal is a passive dry-contact relay (SPDT). Common applications include: 1. Start/stop control for air compressors; 2. High- and low-pressure alarm systems in pipelines, as well as interlocked pump start/stop mechanisms. The pressure switch directly outputs an on/off signal, offering functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, it excels in local control scenarios within compact automation systems. This product features the following characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flange and threaded connections can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flange and threaded connections can be customized.
LPS-F1 Diaphragm-Type Negative Pressure Switch
Pressure measurement suitable for negative-pressure applications, enabling high- and low-limit alarms by comparing the measured pressure value with a setpoint. The output signal is a passive dry-contact relay (SPDT). Common applications include: 1. Vacuum pump start/stop control; 2. Vacuum level monitoring and interlock systems for pipelines or containers. The pressure switch directly outputs a switching signal, delivering functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, it excels in local control scenarios within compact-sized systems. This product features the following key characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
LPS-C1 Diaphragm Differential Pressure Switch
Suitable for differential pressure measurement in both explosion-proof and non-explosion-proof areas, this device compares the measured pressure difference with a set value to trigger high- and low-limit alarms. The output signal is a passive dry-contact relay (SPDT). Common applications include:
1. Filter clogging prevention control;
2. Differential pressure balancing control between two vessels.
The pressure switch directly outputs a dry-contact signal, enabling functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, it excels in on-site control scenarios within compact systems.
This product features the following key characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
LPS-M1 Diaphragm-Type Pressure Switch
Suitable for applications involving corrosive, viscous, easily crystallizing, or substances prone to solidification and containing suspended solids. The diaphragm is internally filled with inert silicone oil, while the special-material diaphragm directly contacts the process medium. The silicone oil transmits pressure to the sensor, enabling high- and low-limit alarms by comparing the measured pressure value against preset thresholds. The output signal is a passive dry-contact relay (SPDT).
Common applications include:
1. Acidic tail-gas pressure monitoring and alarm systems;
2. Pressure control in reaction vessels, etc.
The pressure switch directly outputs a dry-contact signal, delivering functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, this product excels in on-site control scenarios within compact systems.
Key features of this product include:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
LPS-S2 Diaphragm Pressure Switch
Suitable for measuring the pressure of liquids, gases, or steam, this device compares the measured pressure value with a setpoint to trigger high- and low-limit alarms. The output signal is a passive dry-contact relay (SPDT). Common applications include: 1. Start/stop control for air compressors; 2. High- and low-pressure alarm systems in pipelines, as well as interlocked pump start/stop mechanisms. The pressure switch directly outputs a switching signal, enabling functionality equivalent to that achieved by combining a pressure transmitter with PLC/control instrumentation for switch-based control. With its simple design, it excels in on-site control scenarios within compact automation systems. This product features the following characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
● Switching difference is adjustable
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
● Switching difference is adjustable
Pressure measurement suitable for negative-pressure applications—by comparing the measured pressure value with a setpoint, high- and low-limit alarms can be implemented. The output signal is a passive dry-contact relay (SPDT). Common applications include:
1. Vacuum pump start/stop control;
2. Vacuum level monitoring and interlock systems for pipelines or containers.
The pressure switch directly outputs a switching signal, enabling functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, it excels in local control scenarios within compact systems.
This product features the following key characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
LPS-C2 Series Differential Pressure Switch
Pressure measurement suitable for negative-pressure applications, enabling high- and low-limit alarms by comparing the measured pressure value with a setpoint. The output signal is a passive dry-contact relay (SPDT). Common applications include:
1. Vacuum pump start/stop control;
2. Vacuum level monitoring and interlock systems for pipelines or containers.
The pressure switch directly outputs a switching signal, delivering functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, it excels in local control scenarios within compact systems.
This product features the following key characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
Suitable for applications involving corrosive, viscous, crystallizable, easily solidified media, or those containing suspended solids. The diaphragm is internally filled with inert silicone oil, while the special-material diaphragm directly contacts the process fluid. The silicone oil transmits pressure to the sensor, enabling high- and low-limit alarms by comparing the measured pressure value against preset thresholds. The output signal is a passive dry-contact relay (SPDT).
Common applications include:
1. Acidic tail gas pressure alarms;
2. Reactor pressure control systems.
The pressure switch directly outputs a dry-contact signal, offering functionality equivalent to that of a pressure transmitter combined with PLC/control instrument switching outputs. With its simple design, this product excels in on-site control scenarios within compact control systems.
This product features the following key characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
● Switching difference is adjustable
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
● Switching difference is adjustable
LPS-S3 Diaphragm Pressure Switch
Suitable for measuring the pressure of liquids, gases, or steam, this device compares the measured pressure value with a setpoint to trigger high- and low-limit alarms. The output signal is a passive dry-contact relay (SPDT). Common applications include:
1. Air compressor start/stop control;
2. Pipeline pressure high- and low-limit alarms, as well as interlocked pump start/stop sequences.
The pressure switch directly outputs a switching signal, offering functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control.
With its simple design, this product excels in on-site control scenarios within compact systems, delivering clear advantages in such applications.
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
●SPDT and DPDT switch contacts
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
●SPDT and DPDT switch contacts
Pressure measurement suitable for negative-pressure applications, enabling high- and low-limit alarms by comparing the measured pressure value with a setpoint. The output signal is a passive dry-contact relay (SPDT). Common applications include: 1. Vacuum pump start/stop control; 2. Vacuum level monitoring and interlock systems for pipelines or containers. The pressure switch directly outputs a switching signal, delivering functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, this product excels in local control scenarios within compact-sized systems. Key features of this product include:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flange and threaded connections can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flange and threaded connections can be customized.
LPS-C3 Series Differential Pressure Switch
Suitable for differential pressure measurement in both explosion-proof and non-explosion-proof areas, this device compares the measured pressure difference with a set value to trigger high- and low-limit alarms. The output signal is a passive dry contact (SPDT). Common applications include:
1. Filter clogging prevention control;
2. Differential pressure balancing control between two vessels.
The pressure switch directly outputs a dry contact signal, enabling functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control output. With its simple design, it excels in on-site control scenarios within compact systems.
This product features the following key characteristics:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flange and threaded connections can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flange and threaded connections can be customized.
Suitable for applications involving corrosive, viscous, easily crystallizing, highly viscous, or solid-laden media—such as those containing suspended solids. The diaphragm is internally filled with inert silicone oil, while the special-material diaphragm directly contacts the process fluid. The silicone oil transmits pressure to the sensor, enabling high- and low-limit alarms by comparing the measured pressure value against preset thresholds. The output signal is a passive dry-contact relay (SPDT).
Common applications include:
1. Acidic tail gas pressure monitoring and alarm systems;
2. Pressure control in reaction vessels, etc.
This pressure switch directly outputs a dry-contact signal, offering functionality equivalent to that of a pressure transmitter combined with PLC/control instrumentation for switch-based control. With its simple design, it excels particularly in on-site control scenarios within compact control systems.
Key features of this product include:
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
View Details +
● Fully welded diaphragm, zero leakage
●Mechanical principle, no power supply required
● High-quality microswitch with minimal dead zone
● The process interface is versatile, and both flanges and threads can be customized.
Tianjin Ling Yu Technology Co., Ltd.
Operator:86-22-58554679
Fax: 022-58285528
Manager Ding: 86-18902041592
WhatsApp：8618902041592
Complaint Hotline:86-15822286986
Factory Address: No.5 Yingbin Road, Xiqing District, Tianjin
E-mail:sales@lingyukeji.com
Purchasing Department E-mail:lykj_tj@163.com
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