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