8-247ST
PTFE O-Ring Back-Up, 4.631 X 4.867 X 0.118, Dash# 247
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 | : | Split |
Dash Number | : | -247 |
Inside Diameter | : | 4.631 in |
Material | : | PTFE |
Outside Diameter | : | 4.867 in |
Part Number | : | (Prefix)-(O-Ring Dash#)(Construction) |
Temperature Range | : | -40° to 500°F |
Width | : | 0.118 in |