"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. Pointer Black enameled aluminum, Dial White aluminum, Connection Size in. 1/4 Male NPT, Accuracy ASME/ANSI B40.1 Grade A 2-1-2, Mount Type Stem, Gauge Diameter in. 2 1/2, Movement Brass, Recommended Use Air, gas, oil, water, Fill Material Glycerin, Max. PSI 400, Range PSI 0-400, Window Material Temperature compensating polycarbonate, Bourdon Tube C-shaped."
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