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Pressure Switches And Application

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Top China Made Pressure Switches

These high-high quality mechanical strain switches have been developed particularly for security-crucial purposes. The nice benefit of mechanical strain switches is that no supply voltage is required for the switching course of.

In manufacturing, the switches are traced by high quality assurance software at every step and subsequently are one hundred % tested.
Due to its compactness, the model PXA stress switch may be installed in measurement environments with limited house. The strong switch enclosure from stainless steel 316 can stand up to the rough and corrosive operating conditions of the method industry with working ranges of as much as 1,000 bar.

The stress switch is fitted with micro switches, which make it potential to switch an electrical load of up to AC 250 V, 5 A directly inside a repeatability of 1 % of the set point.
Depending on the appliance, the suitable variant for the contact model and the electrical connection can be selected; e.g. hermetically sealed micro switches are suitable for corrosive ambient situations and DPDT contact variations for two separate circuits.
A Belleville spring ensures simultaneous triggering of the DPDT contact and increases the stability and vibration resistance because of the snap-appearing behaviour.

For safety functions, the stress switch is optionally out there with SIL-2 or SIL-3 functionality.

Applications
Pressure monitoring and management of processes
-Safety-critical functions normally process instrumentation, especially within the chemical and petrochemical industries, oil and gasoline industries, power generation incl. nuclear power vegetation, water/wastewater industries, mining
- For gaseous and liquid, aggressive and highly viscous or contaminated media, additionally in aggressive ambience
- For measuring factors with limited area, e.g. control panels


The most important criteria for choosing the right pressure switch are:

- the kind of pressure
- the appliance space (e.g. Ex or security system with SIL necessities)
- the setting range (at which strain the stress switch should switch) and the working vary
- the contact model (how many switch points does the customer have, what number of circuits does the client need to regulate)
- and the electrical score

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Created at 10/17/2020 2:03 AM by  
Last modified at 10/17/2020 2:03 AM by