0-6000 PSI Pressure Gauge (Back Mount) -Connection: 1/4" NPT Brass Connection

-Connection:  1/4" NPT Brass Connection

to make it spherically perfect

which allows for visual inspection without disassembly

100 Max PSI

0-6000 PSI Pressure Gauge (Back Mount) -Connection: 1/4" NPT Brass Connection0 6000 PSI Pressure Gauge (Back Mount) (Picture shows 0 600 PSI gauge) These gauges are designed for use with air, gas, oil and water or any medium not corrosive to brass or bronze. Liquid filled gauges are recommended for reducing shock waves caused by pressure or vibration fluctuations. Features: Movement: Brass Bourdon Tape: Phosphor bronze Pointer: Black enameled aluminum Dial: White background Window: Acrylic Liquid Fill: 99. 5% pure virgin