... Dial size,case type,window,face and pointer,movement,burdon tube Dry Pressure GaugeDial size:1.5”, 2.0”,2.5”,4. ... 0”Case type: special case Window: screw in plastic windowFace and pointer: ... : brassThread:1/8”, 1/4”, 3/8”, 1/2”NPT,BSP,BSPT or according to the customer’s requestAccuracy ... which have no effect on bronze and brass Exact screw in type pressure gauge