Description Dwyer H3 Explosion-Proof Differential Pressure Switches, heavy-duty, the industrial unit has a unique new design which provides sensitivity to differential pressures as low as 10 inches of water (254 mm w.c.), yet handles total pressure of 1500 psi (103 bar). Unlike common differential pressure switches that use a piston-type motion transfer, the Series H3 […]
Description Dwyer 1950 Explosion-Proof Differential Pressure Switch combines the best features of the popular Dwyer® Series 1900 Pressure Switch with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class […]
Description 94020 Conservation Vent (Pressure & Vacuum) by Shand & Jurs is designed to utilize over 90 years of experience in producing high-quality and dependable conservation fittings. Continued design improvements provide these vents with high efficiency, maximum flow capacity, and minimum leakage. The easily serviceable configuration and lightweight construction reduce maintenance and installation costs. Standard […]
Dwyer Series 1900 Compact Low Differential Pressure Switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non-combustible compatible gases, Series 1900 switches have set points […]
Description Dwyer Series 1800 Low Differential Pressure Switch for general industrial service combines small size and low price with 2% repeatability for all but the most demanding applications. Setpoint adjustment inside the mounting stud permits mounting the switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL […]
Description Dwyer AT3A3000 Photohelic Switch/Gages functions as versatile, highly repeatable pressure switches combined with a precise pressure gauge employing the time-proven Magnehelic® gage design. The Photohelic® switch/ gage measures and controls positive, negative, or differential pressures of air and compatible gases. Standard models are rated to 25 psig (1.7 bar) with options to 35 psig […]