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UL-rated pressure switches for explosive environments

By Gerald Ondrey |

The new 703-U and 703-UJ Series of UL-rated, explosion-proof pressure switches (photo) are suitable for gaseous or liquid fluid systems in hazardous applications, including offshore exploration, petrochemical processing and oil-and-gas pipelines. The 703-U and 703-UJ Series have a corrosion-resistant stainless-steel construction and UL ratings for hazardous locations, including Class 1: Division 1, Groups A, B, C, D, as well as Class 2: Groups E, F, G. Units also feature high overpressure capabilities, a NEMA Type 7 explosion-proof rating and rugged piston design, enabling these switches to withstand high pressure spikes, shock and vibration. The 703-U/UJ Series cover a pressure range: from 6 to 5,000 psi and a temperature range of –40 to 180°F. — Sigma-Netics, Inc., Morristown, N.J.

www.sigmanetics.com

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