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Wika Models BA and BAX Pressure Switches Ex d

Test Product

By using a Bourdon tube measuring system, the model BA and BAX pressure switch is extremely robust and guarantees optimal operating characteristics and the highest measuring performances, with repeatability lower than 0.5 % of span.

For applications with special requirements on the wetted parts, a version with Monel is available.

Special features

■ No power supply needed for switching of electrical loads 

■ Robust switch enclosure from aluminium, IP 66, NEMA 4X 

■ Setting ranges from 0 ... 2.5 bar up to 0 ... 1,000 bar, vacuum ranges 

■ Repeatability of the set point ≤ 0.5% of span 

■ 1 or 2 independent set points, SPDT or DPDT, high switching power up to AC 250 V, 20 A

Applications

■ 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

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