The VAZEL Line “75” mechanical seal is recommended in the use of rotary equipment, such as pumps, reactors, agitators, etc.; also for equipment that handles viscous or abrasive fluids used in the chemical, marine, water treatment industry; depending on the combination of materials. This line is compatible with Durco pumps from group I, II and III CBS, OVS and other manufacturers.
Rotary Face: Graphite Carbide, Tungsten Carbide, Silicon Carbide.
Bellow: NBR (Nitrile), FKM (Viton), E.P.R. (EPDM), Kalrez/Perlast (FFKM), Aflas (TFE/P) and Silicon (VMQ).
Metallic Parts: Stainless Steel 316.
Seat: Ceramic, Silicon Carbide, Tungsten Carbide, Stainless Steel, Ni-Resist.
Velocity: Max 3,600 R.P.M. (Depends on the diameter of the shaft).
Pressure: 150 PSI (10.6Kg/cm2) (It depends on the combination of the material of the faces).
Temperature limits: -57 °C a 204 °C (Depends on the material of the elastomer)