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