MARSHALLTOWN - G10020 – Industrial Vacuum Gauge, 30 Inches Hg, New.

MARSHALLTOWN - G10020 – Industrial Vacuum Gauge, 30 Inches Hg, New. The MARSHALLTOWN G10020 is a high quality vacuum gauge used for industrial, pneumatic, or mechanical applications. MARSHALLTOWN is a vintage, legacy manufacturer known for making long-lasting, robust mechanical parts. The steel housing provides great physical protection compared to cheap modern plastic alternatives. Technical Specifications • Component Type: Vacuum Gauge • Dial/Face Diameter: 2 inches • Design/Figure: Figure 22 - It features a Figure 22 dial face calibrated to read up to 30 inches of mercury (30" Hg) of negative pressure • Measurement Range: 0 to 30 inches of mercury (30" Hg) • Connection Type: 1/8-inch Bottom Connection (NPT) • Enclosure: Black steel case • Dimensions: 2-1/8" Diameter x 1" Deep Physical & Mechanical Construction • Dial Face Diameter: 2.0 inches (50 mm nominal) • Total Enclosure Outer Diameter: 2-1/8 inches • Enclosure Depth: 1.0 inch • Case Material: Heavy-gauge steel, finished in baked black enamel • Internal Tube Element: Copper alloy Bourdon tube • Movement Mechanism: Solid Brass • Compatible Media: Air, gas, or other non-corrosive pneumatic fluids. Connection & Installation • Fitting Size: 1/8-inch NPT (National Pipe Thread) • Mounting Style: Figure 22 Lower Mount (LM / Bottom Stem Connection) Media & Environmental Considerations • Temperature Limits: Designed for standard ambient and process temperatures up to 150°F (65°C). • Media Restrictions: Not compatible with corrosive gases, highly viscous fluids, or media that will crystallize and clog the 1/8" copper alloy socket. Applications: Highly regarded as reliable, durable, and cost-effective instruments, but they are built for specific "rough" mechanical applications rather than precise scientific or deep HVAC environments. Best suited for basic mechanics, plumbing, automotive diagnostics, or general fluid/airflow testing systems. New Old Stock Genuine Vintage Marshalltown – Earlier Vintage like this where more desirable. Made in USA