ITT Barton Model 291B has an explosion-proof case that is certified for Class I, Division 1, Groups B, C & D service. The large cover lens allows maximum readability of the indicating pointer.
Switches and all adjustments are readily accessible when the cover is removed. The built-in switches energize either single or dual alarm circuits when the measured differential pressures exceed predetermined limits. These limits may be either maximum, minimum, or both.
If you need more information about ITT Barton 289A and 291B please contact our sales department vias firstname.lastname@example.org and look at our website: http://ittcontrols.com/brands/itt-barton/