WIKA Absolute Pressure Switch (APW, APW10)

Stainless steel version

Applications

  • Absolute pressure monitoring and control of processes
  • Safety-critical applications in general process instrumentation, especially in the chemical and petrochemical industries, oil and gas industries, power generation incl. nuclear power plants, water/wastewater industries, mining
  • For gaseous,liquid and aggressive media, also in aggressive ambience

Special Features

  • No power supply needed for switching of electrical loads
  • Robust switch enclosure from 316L, IP66/NEMA 4X
  • Setting ranges from 0 … 25 mbar abs. up to 0 … 1.5 bar abs.
  • Intrinsic safety Ex ia available
  • 1 or 2 independent set points, SPDT or DPDT, high switching power up to AC 250 V, 20 A

Sales Contact (Wika.sales@asyatrafo.com)

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Description

 

 

These high-quality absolute pressure switches have been developed especially for safety-critical applications. The high uality of the products and manufacturing in accordance with ISO 9001 ensure reliable monitoring of your plant. In production, the switches are traced by quality assurance software at every step and subsequently are 100 % tested.

All wetted materials are from stainless steel as a standard. In order to ensure as flexible operation as possible, the absolute pressure switches are fitted with micro switches, which enable the switching of an electrical load of up to AC 250 V, 20 A directly.

For lower switching power ratings, such as for PLC applications, argon gas-filled micro switches with gold-plated contacts can be selected.

All wetted materials are from stainless steel as a standard.

By using a diaphragm measuring system, the model APW absolute pressure switch is extremely robust and guarantees optimal operating characteristics and the highest measuring performances, with repeatability lower than 1 % of span.

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