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NMM-2

Description

Balanced seal. Independent of direction of rotation. Metal roller bellows. Roller bellows seals type NMM-2 have wide range of application. Ideal for waste water pumps, chemical industry, refineries and food industry. Due to roller metal bellows seals of this type are insensitive to solids in the medium.

Working conditions

Face material

  • carbon-graphite
  • Cr-steel
  • Cr-Ni steel
  • tungsten carbide
  • silicon carbide
  • alumina

Operating limits:

  • p= 16 bar
  • t= -40 to 220 °C
  • v = 20 m/s