The Series AAG Agricultural Ammonia Gages possess psi scales with 3-2-3% ANSI B40.1 Grade B accuracy. The 2.5" AAG gages are designed with black steel housings. Wetted parts include a steel socket
and Bourdon tube. Units can withstand temperatures of -40 to 160°F (-40 to 71°C). Three ranges typically used in agricultrual ammonia systems are available: 60, 160 and 400 psi. The process connection on the gages is a bottom 1/4" male NPT.