Dielectric Union Stainless Steel

This is why i don t think galvanized steel is right.

Dielectric union stainless steel.

When stainless steel is directly connected to copper copper galvanic corrosion occurs. When a size reduction or change in material is needed simply enter the tailpiece code and then the threadpiece code separated by a slash as shown below. Unions separate into three pieces for easy access to your line. Union adapters for galvanized steel threaded pipe join copper tubing to galvanized threaded connections on hot water heaters.

I recently used a copper galvanized steel dielectric union to bring the city water to my brew piping stainless. 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 will typically specify a dielectric union to be installed whenever dissimilar metals are joined. When copper and steel pipe are joined the steel pipe will corrode due to the galvanic action.

For technical drawings and 3 d models click on a part. Tylok 18 dk lok 8 parker hannifin 6 hy lok usa 4 sizto tech corporation 3 ham let valves fittings 2 victaulic 2 alloy stainless products 1. 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. We offer dielectric unions in a range of configurations sizes and materials.

Mysterylectricity ca hi believe it or not i m considering stainless because many of the new valves of the correct size i m looking at on ebay are stainless and tend to sell for the same or less than brass. Choose from standard unions and dielectric unions. Stainless steel unions are offered from several trusted brand names. These steel unions are available in a variety of sizes and connection types.

Similarly where are dielectric unions required. Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products. Shop for stainless steel unions at ferguson. 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.

It is installed between pipes made from dissimilar metal. I think i ve going to sit down with some water a voltmeter some stainless brass steel copper and aluminum parts and see what kind. Now i m not sure if the fact that it is leaking about a drop every hour or less is partly to blame but the galvanized to stainless connection threaded is showing signs of rust red and smells of iron.