BR-400 / Rectangular support ring
PTFE Back-Up Ring
R0 preliminary technical dataAnti-extrusion support ring configured for an O-ring gland and system clearance.
Product intent
BR-400 selection basis
A solid, split or spiral back-up geometry used beside an elastomer seal when extrusion-gap control is required. Final form depends on assembly and pressure direction.
| Reference geometry | ID x OD x axial width |
|---|---|
| Configuration | Uncut, scarf-cut or spiral by assembly review |
| Release status | R0 preliminary - engineering approval required |
| Dimensional control | Drawing-specific; inspection plan issued with approved quotation |
| Material validation | Media, temperature, pressure and duty cycle review required |
| Traceability | Lot and compound traceability available by contract |
Release boundary: this page and its PDF are selection aids. Do not manufacture, install or rate a component from R0 data.