VCS Flange Isolation Kits
DouBle Washer Set
Double washer set flange isolation kits include the following components for each bolt:
Two – 1/8” thick steel washers
Two – Isolating washers
One-Full length isolating sleeve
Flange Isolation Kits
Single Washer Set
Single washer set flange isolation kits include the following items for each bolt:
One – 1/8” thick steel washer
One – Isolating washer
One – Isolating sleeve
Application Considerations
In buried applications, single washer configurations may be used to allow the Cathodic Protection (CP) current to reach the nuts and bolts. If desired, nuts on the opposite side of the cathodically protected flange may be included as part of the CP system.
Double Washer Set
Double washer set flange isolation kits include the following components for each bolt:
Two – 1/8” thick steel washers
Two – Isolating washers
One – Full length isolating sleeve
Application Considerations
Double washer configurations may be used for added protection against the possibility of “shorting out” the nuts and bolts. In
addition, double washer sets electrically isolate the nuts and bolts from both flanges