Hydraulic systemsHydraulic and pneumatic systemsConstruction machineryIndustrial equipment
- Pressure Range:0.1 to 600Bar
- Accuracy:±0.5%F.S.
- Process Connection:G1/4, M14×1.5, 1/4 NPT, M12×1, or customized options
- Output Signal:PNP (transistor switching output)
- Electrical connection: M12×1 connector, protection rating IP67
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Industrial Automation EquipmentHydraulic and pneumatic systemsPetrochemical EquipmentConstruction machineryProcess monitoring
- Pressure Range:0.1 to 600Bar
- Accuracy:±0.5%F.S.
- Process Connection:G1/4, G1/2, M20×1.5 or customized
- Output signals:4–20 mA, PNP, NPN
- Overpressure:200% FS
- Burst pressure:500% FS
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Industrial Automation EquipmentHydraulic and pneumatic cylinder stroke measurementPetrochemical EquipmentConstruction machinery
- Pressure Range:0.1 to 600Bar
- Accuracy:±0.5%F.S.
- Long-term Stability: ≤ ±0.2%F.S./year
- Process Connection:G1/4, G1/2, M20×1.5 or customized
- Output signals:Dual switching outputs, selectable NPN/PNP, and 4–20 mA analog output
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Polyurethane Processing EquipmentFoaming equipmentFermentation EquipmentMedical equipmentFood processing & sanitary machinery
- Pressure Range:0.1 to 600Bar
- Accuracy:±0.5%F.S.
- Process Connection:G3/4
- Output signals:Dual switching outputs, selectable NPN/PNP, and 4–20 mA analog output
- Temperature compensation range(accuracy maintained within this range):-25°C to +85°C
- Operating temperature range:-25 to +85°C
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Railway braking systemsWind power hydraulic systemsConstruction machineryHydraulic pressesMedical equipmentSemiconductor equipment
- Applicable media:Water, oil, gases
- Measuring Principle:Diaphragm type(overpressure resistance up to 250 bar), piston type(overpressure resistance up to 600 bar)
- Operating temperature range:-40 to +80°C
- Switch Type:Mechanical pressure switch (SPDT contact mechanism)
- Switching Range:0.2–420 bar
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Frequently Asked Questions (FAQ)
Q1: How to improve the stability and lifespan of a pressure switch in industrial automation?
To improve performance and lifespan, select high-quality sensors, ensure proper installation, avoid overpressure and vibration, and perform regular maintenance while using compatible electrical connections.
Q2: What process connections are available for pressure switches?
Common process connections include G1/4, G1/2, 1/4 NPT, and M20×1.5 threads. Custom connection options are also available to meet specific installation requirements.
Q3: What is the typical protection rating of industrial pressure switches?
Most industrial pressure switches have protection ratings of IP65 to IP67, ensuring reliable operation in harsh environments, including dust, moisture, and outdoor industrial applications.
Q4: What is the difference between a pressure switch and a pressure transmitter?
A pressure switch provides on/off switching signals based on pressure thresholds, while a pressure transmitter continuously measures pressure and outputs analog signals such as 4–20mA for monitoring and control.
Q5: Can general purpose pressure switches be used for water, oil, and gas?
Yes, general purpose pressure switches are suitable for water, oil, and non-corrosive gases. For mildly corrosive environments, stainless steel diaphragm designs are recommended for better durability.
Q6: Do you offer OEM customization for pressure switches?
Yes, most manufacturers provide OEM customization services, including pressure range, output signal type, thread connections (such as G1/4 or NPT), electrical interface, and housing materials to meet specific application requirements.
Q7: What are the accuracy and response time of a general purpose pressure switch?
Typical general purpose pressure switches offer accuracy around ±0.5% full scale and millisecond-level response time, ensuring fast and reliable pressure monitoring in industrial automation systems.
Q8: How to choose a pressure switch for hydraulic or pneumatic systems?
When selecting a pressure switch, key factors include pressure range, accuracy, media compatibility, process connection, and output signal. For hydraulic and pneumatic systems, durable, fast-response, and vibration-resistant models are recommended.
Q9: What output signals are available for general purpose pressure switches (PNP, NPN, relay)?
General purpose pressure switches typically support multiple output options such as PNP, NPN transistor outputs, and relay outputs, making them compatible with PLC systems and various industrial automation controllers.
Q10: What is a general purpose pressure switch and what applications is it used for?
A general purpose pressure switch is an industrial device designed to monitor system pressure and trigger an electrical signal when a preset threshold is reached. It is widely used in hydraulic systems, pneumatic equipment, compressors, pump control, and industrial automation.
