"Brass movement with C shaped Bourdon 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, Fill Material Glycerin, Range PSI 0-100, Bourdon Tube C-shaped, Dial White aluminum, Gauge Diameter in. 4, Connection Size in. 1/4 Male NPT, Pointer Black enameled aluminum, Recommended Use Air, gas, oil, water, Mount Type Back, Max. PSI 100, Movement Brass."
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