Type TB Double Lip - Metal Case w/ Garter Spring
Other Known Types: TB, B1SL, DFS, BSL, BDL, BC, WBS, BES, CRWA1, Type 47, Model 78, B1USL
Common Materials: Nitrile (NBR)
Spring Make: Carbon Steel
Pressure Rating: Max 7psi
Mounting: Press-fit
Comments: Precision ground O.D. with a lead-in chamfer to help ease the installation. Does not have the ability to seal around the O.D. like the rubber covered seals, and is also not as kind to softer housing materials.