differential-pressure-gague.png
Case Aluminum, painted black
Front Flange SS
Back Flange Black steel
Lens Glass
Ring 4.5” (115mm): SS
6“ (150mm): Aluminum
Socket Brass or 316 SS
Connections 1/4” NPT standard
Scale PSID only
Bourdon Tubes Phosphor bronze or AISI 316 SS, independent, matched
Movement Brass
Pointer Aluminum (micrometer)
Welding Tin/copper alloy for brass internals, TIG argonarc for SS internals
Over-Pressure Limit 30% of full scale value
Working Pressure Maximum 75% of full scale value
Ambient/Process Temperature -40°F to 150°F (-40°C to 65°C)
Accuracy ±1% ANSI/ASME Grade 1A