"Brass movement with C shaped Boudon tube. 1/4in. NPT male connection. For use with air, gas, oil or water. Black enameled aluminum pointer, white aluminum dial and temperature compensating polycarbonate window. Glycerin filled to dampen pulse and vibration. Accuracy ASME/ANSI B40.1 Grade A 2-1-2. Recommended Use Air, gas, oil, water, Accuracy ASME/ANSI B40.1 Grade A 2-1-2, Max. PSI 30, Range PSI 0-30, Connection Size in. 1/4 Male NPT, Fill Material Glycerin, Window Material Temperature compensating polycarbonate, Gauge Diameter in. 2 1/2, Mount Type Stem, Pointer Black enameled aluminum, Dial White aluminum, Movement Brass, Bourdon Tube C-shaped."
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