"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. Window Material Temperature compensating polycarbonate, Accuracy ASME/ANSI B40.1 Grade A 2-1-2, Recommended Use Air, gas, oil, water, Connection Size in. 1/4 Male NPT, Fill Material Glycerin, Max. PSI 30, Range PSI 0-30, 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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