Dielectric Union Stainless Steel To Brass
Difference between dielectric union and brass basics.
Dielectric union stainless steel to brass. 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. I am wondering if using a brass and or cast bronze fitting or valve can effectively prevent electrolysis from happening. Using brass or bronze fittings for a dielectric break 2005. Stainless steel plumbing pipes and brass plumbing pipes within the same system stainless steel pipes and brass pipes and fittings work together better than stainless steel and copper.
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. Zurn wilkins 2 1 2 x 2 1 2 in. They are ideal for use in air and water conditioners hot water storage tanks processing tanks and steam gas and water piping. Each includes a union nut 2 tailpieces and a gasket.
Watts series lf301 1 1 2 in. An elastomeric rubber gasket seals the connection between the two metals preventing any water leakage of sort. Flanged fip brass dielectric union. Female threaded dielectric union.
A dielectric union is a special adapter or fitting used in the piping systems of different metals to isolate the connection of the dissimilar metals. Copper tube size is the accepted designation of the copper tubing industry not the actual tube od. I would like to utilize best practice here but i don t know which is better between the two. For technical drawings and 3 d models click on a part.
Dielectric flanges are installed between pipes made from dissimilar metals to help prevent accelerated deterioration and corrosion. Fipt 250 psi a105 forged steel dielectric union. 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. I work for a commercial hvac company.
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. Unions separate into three pieces for easy access to your line. To order call 800 769 0503. However the chicago plumber installing the stainless steel and brass pipes and fittings needs to pay attention to which types of stainless steel he or she is using.
It is installed between pipes made from dissimilar metal. The manufacturer s rep say they don t care between brass and di electric unions. We connect copper to steel using dielectric unions typically. We offer dielectric unions in a range of configurations sizes and materials.