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Pyropress HERMES Pressure Switch

The Pyropress Hermes Pressure Switch the latest innovation from our partner Pyropress. This industrial switch features a robust high quality housing with 1 or 2 sealed SPDT microswitches and has been designed for use in environments where explosive gases can be present (e.g. gas fields, oil rigs & chemical plants etc). The Hermes range has separate flameproof and adjustment chambers allowing the set point to be changed with power on and the switch in operation.


Pyropress Hermes Pressure Switch ranges are split as follows….

  • Medium pressure switch range : 0.1 Bar to 24 Bar
  • High pressure (piston actuated) : 5 Bar to 800 Bar

Pyropress Hermes Pressure Switch Specifications….

  • Stainless Steel construction to IP66 & IP67 standards.
  • Subjected to Lloyds Register Test Specification 1, section 13 BS EN 60068-2-6 : 1996 (Test Fc vibration) and BS EN 60068-2-27 : 1995 (Test Ea shock).
  • ATEX IECEx Certified Ex db
  • 1 or 2 SPDT (changeover) gold flashed silver contacts.
  • Switch rating: 5 Amps @ 250 VAC resistive, 2 Amps @ 250VAC inductive
  • Switch rating: 5 Amps @ 30VDC resistive, 3 Amps @ 30 VDC inductive
  • 4 core cable for single microswitch & 7 core cable for dual microswitch
  • Electrical Conduit Entry: M20 x 1.5 ISO. 1/2” NPT via adaptors.


Fluidic are a recognised partner of Pyropress for Scotland and the North of England (including supply to the UK Nuclear sector).  Our instrumentation engineers are product trained and are able to help with instrument selection within the full Pyropress supply scope. Please call either office for more information (Glasgow 0141 641 5920,  Warrington 01925 572401).



  • Download Hermes PF41 PF42 Pressure switch datasheet
  • Download Hermes ATEX IECEx Certificate
  • Download Hermes Series Installation and Operating Manual
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