top of page

Tapered Spring
Component Seals

ESRN & ES93

Features &

Benefits

  • Tapered spring transmits torque of shaft to seal

  • Uni-directional – seal is dependent on rotation of shaft (please specify clockwise or counterclockwise rotation)

  • Reliable O-ring pusher secondary seal design

  • Rugged machined heads

  • Unbalanced

Standard Materials of Construction

Faces:

  • ESRN (machined and lapped rotary face) -
    Stainless vs Carbon Stationary

  • ES93 (Inserted seal faces) - Carbon, Silicon
    Carbide, Tungsten Carbide

Elastomers:

  • Buna, Viton®, Aflas®, Neoprene, EPDM

Metallurgy:

  • 304

Operating Limits

  • Pressure: to 145 PSI (10 Bar)

  • Temperature: -40°F to +392°F. (- 40 to 200°C)

ESRN & ES93 drawing
ESRN & ES93 dimensions
bottom of page