The bronze diaphragm is designed for better protection on incidental overpressure. Intended for low pressure applications only. Black steel case. Cannot be recalibrated. Download Full Image
UPC#
Description
78056
2 1/2" diaphragm gauge, 0-10" W.C. range, barb
78061
2 1/2" diaphragm gauge, 0-35" W.C. range, barb
78057
2 1/2" diaphragm gauge, 0-10" W.C. range, 1/4" NPT Male
78066
2 1/2" diaphragm gauge, 0-35" W.C. range, 1/4" NPT Male