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CHEM NM-4

Description

Mechancial seal type CHEM NM-4 is mostly used in processing aggressive media. Mechanical seal is independent of direction of rotation. Secondary seal depend on processing media.

Working conditions

Face materials:

Stationary seat:

  • carbon-graphite
  • silicone carbide
  • ceramics

Rotating seal:

  • PTFE glass impregnated
  • PTFE carbon impregnated
  • silicon carbide

Operating limits:

  • p= 10 bar
  • t= -40 to 220 °C
  • v = 16 m/s