Dielectric Union Stainless Steel To Copper

Unions separate into three pieces for easy access to your line.

Dielectric union stainless steel to copper.

Home plumbing specialties dielectric unions dielectric unions. A dielectric class 3000 union with a dielectric coated a105 carbon steel tailpiece that is 3 4 female npt with a 304 stainless 1 2 male npt threadpiece teflon o ring is coded as follows. Dielectric flanges are installed between pipes made from dissimilar metals to help prevent accelerated deterioration and corrosion. They are ideal for use in air and water conditioners hot water storage tanks processing tanks and steam gas and water piping.

Schedule 10 stainless steel is also much lighter and easier to install than schedule 40 galvanized steel piping which provides a savings for labor and installation costs. We avoid them like the plague. We explain the effect of galvanic corrosion at copper to steel pipe connections and we include notes on the recommendation for a jumper wire across dielectric fittings or. Union adapters for galvanized steel threaded pipe join copper tubing to galvanized threaded connections on hot water heaters.

For technical drawings and 3 d models click on a part. Mip x brass sweat 209mx 3 idx. Fip x brass sweat series 209fx 3 idx. On the domestic side as pointed out above stainless and copper are fine together.

To order call 800 769 0503. Bar stock 150 cast 150 bar stock 1000. Dielectric unions are used in commercial and residential applications to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current. I once inspected a building where the contractor installed stainless steel water mains without installing dielectric unions between the stainless steel and the copper.

This article describes the building code and practical requirements for a dielectric fitting when connecting copper piping to steel pipes or steel fittings such as at the top of a water heater. Copper tube size is the accepted designation of the copper tubing industry not the actual tube od. Each includes a union nut 2 tailpieces and a gasket. We offer dielectric unions in a range of configurations sizes and materials.

It is installed between pipes made from dissimilar metal. If there is a genuine need for dielectric isolation a foot or two of pex or aquatherm will do the job far better.