Stainless steel unions allow safe and efficient pipe replacement for plumbing repair or maintenance operations.
Dielectric union stainless steel to galvanized.
Watts series lf301 1 1 2 in.
It is installed between pipes made from dissimilar metal.
Dielectric flanges are installed between pipes made from dissimilar metals to help prevent accelerated deterioration and corrosion.
Copper tube size is the accepted designation of the copper tubing industry not the actual tube od.
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.
The presence of two dissimilar metals in an assembly is not always a sign of trouble but it could be a problem.
Dielectric unions are use to join pipes made from dissimilar metals to avoid electrolysis which leads to corrosion and pipe failure.
Union adapters for galvanized steel threaded pipe join copper tubing to galvanized threaded connections on hot water heaters.
They are ideal for use in air and water conditioners hot water storage tanks processing tanks and steam gas and water piping.
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.
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.
Each includes a union nut 2 tailpieces and a gasket.
Stainless steel unions are offered from several trusted brand names.
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.
To order call 800 769 0503.
We offer dielectric unions in a range of configurations sizes and materials.
For technical drawings and 3 d models click on a part number.
Stainless steel and galvanized materials often are found together in the industry with applications such as galvanized fasteners stainless steel pressure vessels and roof and siding panels.
Choose from standard unions and dielectric unions.