METAX GmbH (en) > Mechanical seals > Mechanical seal type P

Mechanical seal type P

Type PA21/P1A21/P2A21/P3A21

Mechanical seal type PA21/P1A21/P2A21/P3A21

Design features

  • balanced
  • independent direction of rotation
  • spring outside of product
  • easy to clean
  • additional wiper prevents sticking together (Type P1A21 / P3A21)
  • easy mounting by preassembled unit
  • mounting space according to DIN EN 12756
  • disengagement prevented (Type PA21 / P2A21)

Operating limits

Pressure: up to 25 bar
external pressure
Temperature: -50° C to +280° C
Speed: up to 20 m/s

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

Materials

Standard seal face combination: carbon vs. silicon carbide, carbon vs. tungsten carbide, silicon carbide vs. silicon carbide
O-rings: NBR, FKM, EPDM, FFKM
Other parts: CrNiMo-steel