Waterproof pressure switch is also called waterproof pressure switch. It can be weatherproof for external use.
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Waterproof micro pressure switch can meet the pressure control in harsh environment and the place with limited installation space. It is used for pressure alarm, parking or control system, etc. Stainless steel pressure diaphragm, waterproof and moisture-proof.
Sino-Inst offers a variety of Pressure Switches for pressure control. If you have any questions, please contact our sales engineers.
Features of Waterproof Pressure Switch PC-500
- All stainless steel structure, increased pressure range, anti-corrosion and moisture-proof.
- The working pressure can be manufactured according to user requirements (-14.5~3600PSI).
- Using laser welding process equipment, superior sealing performance.
- The contacts are all silver-plated, and the special products are silver contacts (industrial grade). Work is stable and reliable.
- The electrical contacts of the switch have a long working life (more than 100,000 times) and excellent shock resistance.
- It is made of internationally advanced stainless steel pressure sensor (stainless steel bellows, stainless steel diaphragm).
- It has excellent qualities such as small size, convenient installation, accurate pressure control, and stable performance.
- 316SS shell protection.
- Factory set or adjustable set point on site.
Specifications of Waterproof Pressure Switch PC-500
Output signal: | Switch signal |
Working pressure (high position) range: | -14.5~3600PSI |
Reset pressure (low position) range: | -11~3400PSI |
Working pressure deviation: | ± 3~30PSI |
Ambient temperature: | -40~85℃, |
Medium temperature: | -40~125℃ |
Electrical load: | 220VAC ,56/60Hz,3A |
Working life: | ≥100,000 Cycles |
PC500 series waterproof stainless steel pressure switch model list
Model |
Thread size and length (mm) |
Dimensions (mm) |
Electrical connections |
Switch Type Normally closed (A)/normally open B /C (normally open + normally closed) |
Adjustment range (PSI) |
Action pressure (PSI) |
PC 501 | M12x1.5/13 | Φ26.5×60 | Hessman connector | Single Pole Single Throw A | -3614.5 | -11~3400 |
PC 502 | M12x1.5-6g | Φ26.5×70 | Single Pole Double Throw C | -3614.5 | -11~3400 | |
PC 503 | G1/4 /13 | Φ26.5×60 | Single pole single throw A/B | -3614.5 | -11~3400 | |
PC 504 | G1/4 /19 | Φ26.5×70 | Single Pole Double Throw C | -3614.5 | -11~3400 | |
PC 505 | M14x1.5 /11 | Φ26.5×58 | Single pole single throw A/B | -3614.5 | -11~3400 | |
PC 506 | M14x1.5 /11 | Φ26.5×68 | Single Pole Double Throw C | -3614.5 | -11~3400 | |
PC 507 | G1/2 /15 | Φ26.5×62 | Single pole single throw A/B | -3614.5 | -11~3400 | |
PC 508 | G1/2 /15 | Φ26.5×72 | Single Pole Double Throw C | -3614.5 | -11~3400 |
What does a pressure switch do on a water pump?
The pressure switch installed in the inlet pipe is designed to prevent the pump from cavitation and evacuation. When the inlet pressure is lower than the set value, it will give a control signal and automatically take measures or give an alarm.
How to tell if well pump pressure switch is bad?
Check whether the pressure switch has the above functions → the pressure in the water pipe decreases to the set value → the switch turns on the pump; the pressure in the water pipe increases to the set value → the switch disconnects and stops the pump (the water pipe must be equipped with a check valve).
The so-called setting value is the required upper and lower pressure value.
If the switch cannot achieve the above functions, 1. Wiring error; 2. Switch failure.
More Featured Pressure Switches
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Sino-Inst offers over 10 Waterproof Pressure Switches for pressure measurement.
It is widely used in hydropower, tap water, petroleum, chemical, machinery, hydraulic and other industries to measure, display and control the pressure of fluid media on site.
A wide variety of Waterproof Pressure Switches options are available to you, such as free samples, paid samples.
Sino-Inst is a globally recognized supplier and manufacturer of Pressure Switch instrumentation, located in China.
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Wu Peng, born in 1980, is a highly respected and accomplished male engineer with extensive experience in the field of automation. With over 20 years of industry experience, Wu has made significant contributions to both academia and engineering projects.
Throughout his career, Wu Peng has participated in numerous national and international engineering projects. Some of his most notable projects include the development of an intelligent control system for oil refineries, the design of a cutting-edge distributed control system for petrochemical plants, and the optimization of control algorithms for natural gas pipelines.