Overview:
Single end surface
Non-equilibrium type (1527)
Fixed spin direction
Balanced Type (1523)
  1527,1523 series suitable for water, oil, and other weak acid, alkali medium, mainly rely on the spring transmission torque and compensation force, installation should be noted Use spin. Type 1523 fit  for pressure within 3 mp.
Operating parameters:
 Pressure :<1MPa (1527)
<3MPa (1523)
Temperature :-40~150 degrees Celsius
Linear velocity :<15M/S
Sealed face: graphite, silicon carbide, tungsten carbide
Auxiliary Sealing: Acrylonitrile butadiene, fluoroglue, EPDM
Metal components: stainless steel