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Bourdon Tube Pressure Switch - BA, BAX

Brand: WIKA Alexander Wiegand SE & Co. KG
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These high-quality pressure switches have been developed especially for safety-critical applications. 

The high quality 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.
Features
  • No power supply needed for switching of electrical loads. 
  • Robust switch enclosure from Aluminum, 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. 
These high-quality pressure switches have been developed especially for safety-critical applications. 

The high quality 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.
Features
  • No power supply needed for switching of electrical loads. 
  • Robust switch enclosure from Aluminum, 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. 
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Specifications

Brand

Process Connection Material

  • 316L Stainless Steel

Process Connection

  • M20 x 1.5
  • G 1/2” Male
  • G 1/4” Male
  • G 1/4” Female
  • 1/2” Male NPT
  • 1/2” Female NPT

Certifications & Approvals

  • SIL
  • INMETRO
  • KOSHA
  • IECEx
  • CE
  • EAC

NACE & NIST

  • NACE compliant to MR-0175, ISO 15156 and MR-0103

Connection Location

  • Lower Mount (LM)

Switch Contact

  • DPDT
  • SPDT

Environmental Protection

  • NEMA 4X
  • IP66

Range

  • 0 to 1,000 bar

Enclosure / Body Material

  • Enclosure: Aluminium Alloy
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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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