"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. Accuracy ASME/ANSI B40.1 Grade A 2-1-2, Gauge Diameter in. 4, Window Material Temperature compensating polycarbonate, Range PSI 0-100, Bourdon Tube C-shaped, Dial White aluminum, Pointer Black enameled aluminum, Recommended Use Air, gas, oil, water, Mount Type Back, Fill Material Glycerin, Connection Size in. 1/4 Male NPT, Max. PSI 100, Movement Brass."
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