3.40 - II 2GD Diaphragm pressure switches Atex | ETI
Diaphragm pressure switches 3.40 ATEX flameproof enclosure

3.40 - II 2GD

Diaphragm pressure switches ATEX flameproof enclosure

These flameproof electrical apparatus comply with European Directive ATEX 94/9/EC, for group II and category 2 GD.
They are suitable for a variety of uses in hazardous zones 1, 2, 21 and 22 in which the use of flameproof instrument is required.
The sensing element is a metallic diaphragm and acts directly on the microswitch through a self-centering pivot.
The simplicity of the design, without levers, cams or similar mechanisms, gives the unit an exceptionally long working life

  • Function: Electric contact
  • Materials: Stainless steel and alluminium alloys
  • Process connection: Threaded
  • Calibration range: 0...1 / 0...160bar
  • Sensing element: Diaphragm
  • Protection degree: IP 65
  • Electrical switching: SPDT microswitch, one or two intervention
  • Type of protection: EX db IIC T6 Ex tb IIIC T85°C
  • Chemical, Petrochemical
  • Energy
  • Oil & Gas
  • Engineering Procurement Construction (EPC)
  • NACE version
  • ATEX version
  • Crystallizzing fluids
  • Viscous fluids
  • Corrosive fluids
  • Vacuum
  • Special overpressure
  • Combined (Vacuum + Pressure)
  • Sedimentous fluids
  • NACE MR0103
  • Directive ATEX 2014/34/UE
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