Orion Instruments

S No. 36/1/1, Pune Sinhagad Road
Maharashtra,  Pune  411041

  • Booth: 7317

Manufacturers of Ex-proof Pressure switches, Pressure Difference switches, Vacuum switches & Temperature switches since 1977. An ISO 9001:2008 certified company. X-proof products are CE marked as well as ATEX and IECEx approved. Ranges available from 0.8 inches wc to 8700 psi. We also supply pressure switches with diaphragm seals in exotic materials like Monel, Hastelloy, Titanium and all SS construction.


  • EX-proof Pressure Switches
    Explosion proof Pressure switches, differential pressure switches, temperature switches from 0.08 inches of WC (2 mmWC) to 14500 psi (1000 bar)....

  • We manufacture ATEX approved pressure switches of SS316L, Hastelloy C and die cast Aluminium MOC.

    Xylan coated Ex-proof switches, diaphragm seal Ex-proof switches amd flanged Ex-proof switches also available.

    We can also provide Monel and Hastelloy C wetted parts as per your requirement.

  • Ex-proof Pressure Difference Switches
    High range pressure difference switches from 1.45 to 362 PSI (0.1 to 25 bar).

    Low range pressure difference switches from 0.02 to 5.07 PSI (1.5 to 350 mbar)...

  • ATEX approves pressure difference switches, with max. working pressure 2900 PSI (200 bar) available.