Applications These Gauges have End Connection with SMS or DIN or RTJ or IDF . These gauges are used in Food / Dairy / Pharma / Beverage Industries. Features 4 Dial Sizes 100mm (4") 4 1-1/2" or 2" SMS (or IDF / RJT / DIN) 4 SS316 Diaphragm 4 Glycerin or Silicon Filled 4 Bottom or Back Mounted 4 Std. Ranges upto 40 bar