New Explosion- Proof Differential Pressure Switches Meet Global Standards

Mid-West Instrument (USA) announces the firm’s new line of 220 / 240 Explosion proof, differential indicating switches. These extremely light-weight and ruggedly compact family of indicating switches set a new standard of excellence in Explosion- Proof design.

The new 220 / 240 differential indicating switches are CSA, UL (Class I) and ATEX certified (ATEX Ex d IIB+H2 ExII 2GD IP65 classification). As a condition of continuing certification, Mid-West Instrument is subject to un-announced audits by all certifying bodies. This applies to the entire assembly as mandated by the applicable hazardous locations standards.

These compact switches are manufactured in a lightweight aluminium (or 316/316L), are weather resistant, with a 4 ½” gauge front. Mid West Instrument offer range protection and a 5 year warranty. The Model 220-Piston Style switches have a working pressure to 4000 PSI (275bar) and offers ranges from 0-5 PSID to 0-100 PSID (0-0.35 bar to 0-7.0 bar). The Model 240 Diaphragm Style features total separation between high and low side, 1500 PSI (103 bar) working pressure and has ranges from 0-20”H20 to 0-100 PSID (0-50 mbar to 0-7bar).