This series is designed for use with air, gas, oil, and water or any medium not corrosive to brass or bronze
• Movement: Brass
• Bourdon Tube: C Shaped in copper alloy up to 600 psi and Helical in phosphor bronze over 600 psi
• Pointer: Black-enameled aluminum
• Dial: White aluminum
• Window: Acrylic
• Connection: 1⁄8" NPT male standard on 11⁄2" size, 1⁄4" NPT standard on 2", 21⁄2", and 4" sizes
• Accuracy: ASME/ANSI B40.1 Grade B (3-2-3%)