8-255SOLT
PTFE O-Ring Back-Up, 5.643 X 5.879 X 0.118, Dash# 255
Part #:
8-255SOLT
Min. Order Qty: 1
Brand: HPSI
HPSI
PTFE O-ring Back-up Rings are designed to improve sealing performance in high-pressure and high-temperature applications. Sized according to standard ASTM 568 O-ring dash numbers, these back-ups feature a concave profile for superior support over 90A Buna rings. Ideal for preventing O-ring extrusion, they enhance sealing efficiency in demanding conditions. Available in solid (SOLT) and split (ST) designs, with spiral PTFE back-ups available upon request.
| Construction | : | Solid |
| Dash Number | : | -255 |
| Inside Diameter | : | 5.643 in |
| Material | : | PTFE |
| Outside Diameter | : | 5.879 in |
| Part Number | : | (Prefix)-(O-Ring Dash#)(Construction) |
| Temperature Range | : | -40° to 500°F |
| Width | : | 0.118 in |
- Enhances O-ring performance in high-pressure applications
- Performs in elevated temperatures
- Concave profile
- Available in solid, split, and spiral styles
- Compatible with standard AS568 O-ring dash numbers
