"Brass movement with C shaped Bourdon tube. 1/8 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, Bourdon Tube C-shaped, Pointer Black enameled aluminum, Gauge Diameter in. 1 1/2, Connection Size in. 1/8 Male NPT, Recommended Use Air, gas, oil, water, Range PSI 0-160, Max. PSI 160, Accuracy ASME/ANSI B40.1 Grade A 2-1-2, Mount Type Stem, Fill Material Glycerin, Movement Brass, Dial White aluminum."
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