4 ½” Solid Front Cast Aluminum Process Gauge – SOLFRUNT® Models 1901, 1931

The 4-½” 1901 and 1931 4-½” process gauges have an aluminum back-flanged case for applications needing stem or wall mounting. The SOLFRUNT gauge case was designed with an integral wall between the measuring element and window, and a pressure relieving back for increased safety. Models are available with wetted surface material in brass/phosphor bronze or 316L stainless steel, dry or liquid filled and in 18 vacuum, compound and pressure ranges.