These Gauges have End Connection with Triclover fitting . These gauges are used in Food Dairy Pharma Beverage Industries. Features 4 Dial Sizes 63mm (2-12"), 100mm (4") 4 1" or 1-12" or 2" T.C. end connection 4 SS316 Diaphragm 4 Glycerin or Silicon Filled 4 Bottom or Back Mounted 4 Std. Ranges upto 40 bar