METAX GmbH (en) > Mechanical seals > Metal-bellow-mechanical-seal type M

Metal-bellow-mechanical-seal type M

Type MTA21

Mechanical seal type MTA21

Design features

  • balanced
  • independent direction of rotation
  • no dynamically loaded O-ring
  • few components, easy mounting
  • mounting space according to DIN EN 12756
  • torque transmission is not transmitted via the bellow (Type MT)

Applications

  • high viscosity products
  • high risk of deposits on the shaft
  • extreme temperature (Type MT)

Operating limits

Pressure: up to 25 bar
external pressure
Temperature: -50° C to +400° C
Speed: up to 50 m/s

You can find the values in psi, ° F and FPM on the data sheet.

Materials

Bellow: AM 350, Hastelloy C
Seal ring: carbon graphite, silicon and tungsten carbide
Counter face: silicon carbide, tungsten carbide
O-rings: NBR, FKM, EPDM, FFKM
Profile seal ring: graphite
Other parts: CrNiMo-steel