Pressure gauge (pressure watch) - PLABM or brass in a selection of ranges and sizes. Features - Glycerin pressure gauge for general use, suitable for all gases and liquids. - Suitable for work where there is pressure and strong vibrations. Maximum temperature 100c, brass threaded body. Options - clock diameter - "21/2", "4", 6 - threading "1/4", 1/2 rear connection. - rear connection, connection to the panel. bottom connection. Uses steam, water, liquids, burner, air, fuels, and gases.