ID Dynamic Seal

Series 409: ID Dynamic Seal

The 409 series dynamic seal is a robust rotary seal that is designed to fit into all standard O-ring grooves. The 409 series can be used with backup ring combinations. The design of the seal is such that it will not roll during installation.



Interchangeable with standard O-rings

Long life due to robust design

Will not roll during installation

Available in inch and metric sizes

Fits into all standard O-ring grooves

Higher seal force due to seal design

Easy installation


The 409 Series is suitable for rotary and reciprocating motion

Typical Applications include:

  • Steel Aluminum Processing
  • Hydraulic Cylinders
  • Marine
  • Injection Molding Machinery
  • Bearing Manufacturers
  • Oil and Gas

The 409 series dynamic seal features high-grade polyurethane. Standard materials are MP03 machined H-PU, available up to 3000 mm in diameter and MP50 injection-molded TPU. To suit a variety of applications, the series is also available in NBR, HNBR, EPDM and high temperature-resistant FPM.

Material Code
Polyurethane H-PU MP03
Polyurethane TPU MP50
Temperature MP03

hydraulic oil -20…+115 -5…+240
water oil emulsions (HFA) +5…+55 +40…+130
water-glycol fl uids (HFC) -20…+55 -5….+130
water +5…+55 +40…+130
Speed 0.5 m/s (1.6 ft/sec)
Pressure 400 bar (6000 psi)

Note: for other materials or fluids please contact our engineering department.