ItemDescription
1Stationary unit
1.1Bellows unit
1.2Gasket
1.3Clamp sleeve
1.4Spring washer
1.5HSH cap screw
2Seat
3Secondary seal
4Seat housing
5Drive pin
6Gasket
7Spring washer
8HSH cap screw

YE400

Features

  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Stationary metal bellows

Advantages

  • For high or low temperature applications

Operating range

Pressure (single ply bellows):
p = vacuum ... 20 bar ( … 290 PSI)
Pressure (two ply bellows):
p = vacuum ... 35 bar ( … 508 PSI)
Temperature:
t = -240 °C ... +425 °C
(-400 °F … +797 °F)
Sliding velocity: vg = ... 50 m/s (164 ft/s)
Viscosity: ... 1 Pa·s

Materials

Seal face: High density carbon graphite
Seat: Silicon carbide (Q2)
Bellows: Inconel® 718 (M6)
Secondary seals: Graphite
Metal parts: 1.4404, Carpenter® 42 (T4)



Product variants