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
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
- 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
- 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