88-025 Phillips Gauge Ammonia, 4 Diameter, 1/4 MPT, 30 X 300 psig, Liquid Filled

Phillips offers two sizes of gauges, 2-1/2" and 4" nominal diameters, with two pressure ranges for each size. The lager 4" gauges are especially advantageous for mounting in high locations where smaller gauges would be difficult to read.Features:1/4"-18 male NPT bottom connectionStainless steel construction2-1/2" and 4" face diameter optionsDual scale face which displays both gauge pressure and corresponding ammonia saturation temperature (°F)Liquid filled to prevent flutterHelium leak testedGauges with CRN’s Available upon request