2420 Series pressure guages are available for stem or flush
mounting. The 1-1/2" and 2" stem mount gauges have a black
enamel case and friction ring. The 2" flush mount gauges
have black enamel cases with chrome plated panel rings.
All gauges are actuated by a phosphor bronze Bourdon tube
through sturdy brass gears. Flush mounted gauges use a
U-clamp mounting arrangement for ease in mounting to
panels of 1/16" to 3/4" thickness.