Select a Product Part NumberFigure IntervalMinor GradientMountSizePressure Range GC2302051/4"2" Face0-160 PSI GC6055.51/8"1-1/2" Face0-30 PSI GC2251021/4"2" Face0-100 PSI GC610511/8"1-1/2" Face0-60 PSI GC220511/4"2" Face0-60 PSI GC6202051/8"1-1/2" Face0-160 PSI GC2352051/4"2" Face0-200 PSI GC6251/8"1-1/2" Face0-200 PSI GC2001.51/4"2" Face0-15 PSI GC2155.51/4"2" Face0-30 PSI GC2403051/4"2" Face0-300 PSI GC6151021/8"1-1/2" Face0-100 PSI