"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. Gauge Diameter in. 4, Fill Material Glycerin, Pointer Black enameled aluminum, Window Material Temperature compensating polycarbonate, Dial White aluminum, Bourdon Tube C-shaped, Movement Brass, Max. PSI 160, Connection Size in. 1/4 Male NPT, Accuracy ASME/ANSI B40.1 Grade A 2-1-2, Mount Type Stem, Range PSI 0-160, Recommended Use Air, gas, oil, water."
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