F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/48
F16L 58/02 (2006.01)
Patent
CA 1236779
DIELECTRIC FITTING AND METHOD Abstract of the Disclosure A dielectric fitting and method for reducing current flow and products of corrosion in the electrolyte of a fitting interconnecting two dissimilar metallic coupling members. The fitting and method are particularly adapted for use in industrial, commercial and residential piping systems. In the preferred embodiment the fitting comprises a nipple having a nonconductive passageway lining extending generally therethrough. The end wall of the nipple which is adapted to be in contact with a dissimilar metal of a first coupling member is, itself, provided with a nonconductive lining which is joined and sealed to the passageway lining. Fluid is, thus, prohibited from contact with the interface of dissimilar metals at the connection between the first coupling member and the nipple. The internal surface of the first coupling member in contact with fluid is separated from the internal surface of the second coupling member at the opposite end of the nipple by a distance sufficient to reduce current flow in the electrolyte in the nipple.
473679
Passerell David P.
Volgstadt Frank R.
Macrae & Co.
Perfection Corporation
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