Ss diaphragm-sealed gauges are offered by mtc [also known as chemical seal gauges]. This machine tools center is available in various materials of construction and dial sizes. The pressure gauge, diaphragm material, top and bottom chambers and the internals are made from ss. The corrugated diaphragm is used to achieve flexibility and linearity and has a sufficient stroke to provide adequate displacement of the sensing element. Following are some technical features of this machine tools center which include: diaphragm is coated with ptfe for protection. Shatterproof glass, magnetic snap action, booster relay, max pointer and glycerine filled gauges can be provided. These gauges are available in a distant type version and provided with capillary made of ss of grade 316. These gauges have some general specifications include: are manufactured in ranges up to 400 kg/cm2 and compound and vacuum ranges; dial sizes are 100 mm and 150 mmzero adjustment facility is built-in type.