Sigma-Netics Announces UL-Rated Pressure Switches for Explosive Environments
July 12, 2021
News
Sigma-Netics, a global manufacturer of pressure switches, pressure transducers, metal bellows and metal bellows assemblies, announced its 703-U and 703-UJ Series of UL-rated, explosion-proof pressure switches.
These components 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 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 Series features factory-set fixed pressure, while the 703-UJ features field-adjustable pressure. Designed for suitable field adjustment, the 703-UJ also incorporates a tamper-resistant locking mechanism to maintain set point integrity. Additional features and specifications of the 703-U/UJ Series include:
-Pressure range: 6 to 5,000 PSI
-Temperature range: -40 to +180°F
-Pressure connection: 1/4"–18 NPT (male) and 1/2"–14 NPT (male)
-Single pole double throw (SPDT) option
-Double pole double throw (DPDT) option
-1/2-inch NPT electrical connection with five full threads for conduit engagement
-Factory-sealed lead wires — Type UL 1015 AWG #18, 24 inches long
-Hydraulic and electric modules AISI 316 stainless steel
For more information, visit: www.sigmanetics.com.
Tiera Oliver is the assistant managing editor at Embedded Computing Design. She is responsible for web content editing, product news, and story development. She also manages, edits, and develops content for ECD podcasts, including Embedded Insiders.
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Tiera attended Northern Arizona University, where she received her bachelor's in journalism and political science. She was also a news reporter for the student-led newspaper, The Lumberjack.
