Window PC glass Connection brassback(bottom/back with clamp or flange etc.) Thread G/PT/NPT 1/8 1/4 1/2, M10*1, M14*1.5,M20*1.5 etc. Bourdon tube brass Movement brass Dial plate aluminum Pressure range -0.1~100mpa Accuracy 1.60%,2.50% Liquid filli...