509 Series: Face Seal – ID Sealing – AE Ring

The 509 series face seal is a flange seal designed to eliminate O-ring associated problems in flange assemblies.

509 Series

The 509 series face seal is a flange seal designed to eliminate O-ring associated leakage problems in flange assemblies. Consisting of a specialty designed elastomeric sealing element and used with an anti-extrusion ring, the 509 series is engineered as a drop-in replacement for standard O-ring seals. Manufactured in a variety of materials up to 2100 mm.

Installation Drawing

Material Ranges

The 509 series flange seal features high-grade polyurethane MP30 H-PU, available up to 2100 mm in diameter. To suit a variety of applications the series is also available in NBR, H-NBR, EPDM, and high temperature-resistant FPM. The backup ring materials include POM, polyamide, PTFE with bronze filler and PEEK

Polyurethane H-PU/POM MP30
Hydrogenated NBR/PTFE-Bz MN32
Hydrogenated NBR/POM MN30
FPM/PTFE-Bz MF19
EPDM/PTFE-Bz ME19
NBR/POM MN10

Temperature Ranges

MP30
°C
°F
hydraulic oil
-20…+115
hydraulic oil
-5…+240
water oil emulsions (HFA)
+5…+55
water oil emulsions (HFA)
+40…+130
water glycol fluids (HFC)
-20…+55
water glycol fluids (HFC)
-5….+130
water
+5…+55
water
+40…+130
Pressure
1380 bar (20000 psi)
Pressure
1380 bar (20000 psi)

Designed for flexibility across materials, sizes, and performance requirements. Standard and custom diameters ensure optimal integration into your system.

Engineered Performance

Built to Perform

The 509 series face seal is one of the most versatile seals typically used to connect larger sizes of pipe, tube, and hose in fluid power systems

Benefits
  • High-pressure capability and wide temperature range
  • Excellent fluid compatibility including water-based fluids
  • Highly extrusion resistant
  • Extended service life
  • Direct retrofit for O-ring groove sizes
  • Readily available in custom cross sections, heavy-duty designs
Applications
  • S.A.E. J518c Flange
  • 4-Bolt Split Flange
  • Code 61 and 62 Flanges
  • ISO 6141, DIN 20066, JIS B 8363
  • High-Pressure Flange Connections
  • BOP Door Seals
  • Hydraulic Cylinder Face Seals