Differential Pressure Switches have explosionproof design.
Press Release Summary:
Certified to CSA, UL, and ATEX standards, 220/240 explosionproof, differential indicating switches are constructed of 316-316L aluminum and have weather resistant, 4 ½ in. gauge front as well as ½ in. FNPT cable or conduit entry. Piston-style 220 and diaphragm-style 240 offer respective working pressures to 4,000 and 1,500 psi, as well as ranges from 0-5 to 0-100 psid and 0-20 in. H20 to 0-100 psid. Model 240 also offers total separation between high and low side.
Original Press Release:
"Mid-West Instrument's New Explosion- Proof Differential Pressure Switches Meet Global Standards
Mid-West Instrument, a 30 year leader in explosion-proof, differential pressure gauge and switch design 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 and ATEX certified.. 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.
Benefits of the 220 / 240 Indicating Switches:
Model 220-Piston Style
Model 240-Diaphragm Style