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Plastic washers?

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Servicewiz_3 Member Posts: 68

April 2023 in THE MAIN WALL

I recently have encountered , what looks like plastic washers on an 8-bolt flange.
The flange (4") goes from steel to brass. Any help???

0

Comments

109A_5 Member Posts: 3,404

April 2023

Hello @Servicewiz_3,

Dielectric Flanged Pipe Fitting.

Images from;
EPCO DIELECTRIC UNION FLANGED FITTING 4" USA MADE
https://www.ebay.com/itm/282281026275

National - U.S. Gas Boiler 45+ Years Old
Steam 300 SQ. FT. - EDR 347
One Pipe System
1
dko Member Posts: 669

April 2023

Either that or

1