"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, Mount Type Stem, Pointer Black enameled aluminum, Connection Size in. 1/4 Male NPT, Fill Material Glycerin, Max. PSI 30, Range PSI 0-30, Accuracy ASME/ANSI B40.1 Grade A 2-1-2, Dial White aluminum, Gauge Diameter in. 2 1/2, Window Material Temperature compensating polycarbonate, Movement Brass, Bourdon Tube C-shaped."
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