Working Conditions of wave spring mechanical seals DY33, fluids:Water, oil, weak acid,weak alkali, ,etc. and temperature:-20oC~200oC, pressure: ≤0.8Mpa and the mechanical seal shaft speed: ≤ 15m/Sec , mechanical seal faces/rings can be made of carbon,silicon carbide/sic,tungsten carbide/tc and stainless steel 304 and 316 are generally functioned as the stationary seal rings.