Velocity : 20 m/sec. Pressure : 30bar(max) Temperature : -50 digC to +220 dig C Shaft diameter : 18mm - 100 mm Metal Parts : SS 316, SS 304, Hast-C, Monet, Alloy-20 Secondary Seals : NBR, Viton, PTFE, EPDM, Neoprene Face Materials : Silicon Carbide,Tungsten Carbide,Carbon, Ceramic Applications : Water waste water & hot water, Chemical industry, Oil Applications, Food industry, Pulp & Paper, Bo We are one of the most reliable companies in this domain and are into offering Wave Spring Seals Balanced.