Unbalanced single spring driven mechanical seal (metric)NPXX

  The NPXX is unbalanced single-spring mechanical seal, relying on the spring to tighten on the shaft to follow the rotation.

According to the seal design type as follows

  1. NP1X: Carbon + Metal

2.NP2X: Carbon/silicon carbide/tungsten carbide

3.NP3X: Silicon carbide/tungsten carbide + metal

Seat ring style with "A2","A3","A4","A6","A9"

Download 1
  • Temp Range:-30°C~200°C (-40°F~+400°F)
  • Max Pressure:8kg/cm2 (115psi)
  • Max Speed 15m/sec (3000f/m)
  • eal Face Material: Silicon Carbide/Tungsten Carbide/Carbon

  • Metal Material: SUS316/HAST.C/TI2
  • Secondary Seal:FFKM/FKM/FEPM/NBR/EPDM
  • Circulation pump
  • Hot water
  • Sewage
  • Chemical pump
  • Heat exchange system