| Series DPG-1 Bottom-Entry Pressure Gauges Dial Sizes: 2", 21/2", 3", 4" (50, 65, 80, 100mm) Series DPG-1 Bottom-Entry Pressure Gauges are used in commercial, residential, and institutional HVAC applications. These gauges feature ABS polymer cases, Kostil Polymer windows, 1/4" (8mm) NPT connections, and copper alloy Bourdon tube sensing elements. Accuracy is ASME, Type B. Series DPG-1 gauges are available in various pressure-rating scales. The dual scale features PSI and kPa measurements. Features • ABS polymer case • Kostil polymer window • Copper alloy Bourdon sensing element • Tin alloy welding • 1/4" (8mm) NPT connection • ASME Type "B" accuracy Approvals Certified by The Northern Certification Society of Italy (Det Norske Verita Italia S.r.l.) Standards ASME B40.100 Temperature Working Temperature: -4°F to 176°F (-20°C to 80°C) Materials Case: ABS polymer Window: Kostil polymer Sensing Element: Copper alloy Bourdon tube Welding: Tin alloy |