Dielectric Union DU Series

Dielectric Unions are designed to be installed between pipes made from dissimilar metals to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current. It consists of a union nut, two tail-pieces, a gasket & a sleeve that separates the tail-pieces to prevent an electric current from occurring. This series is ideal in application such commercial and residential as hot water storage tanks, chilled water processing tanks, steam, gas, FCU’s, AHU’s and other water piping applications.

  • Max. Working Pressure: 250 psi (17.2 bar)
  • Max. Working Temperature: 180ºF (82ºC)

Available Connection Types

  1. Male Steel BSPT x Male Brass BSPT
  2. Male Steel BSPT x Female Brass BSPT
  3. Male Steel BSPT x Brass Solder
  4. Steel Female BSPT x Brass Male BSPT
  5. Female Steel BSPT x Female Brass BSPT
  6. Female Steel BSPT x Brass Solder

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites:

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  • Max. Working Pressure: 250 psi (17.2 bar)
  • Max. Working Temperature: 180ºF (82ºC)

Available Connection Types

  1. Male Steel BSPT x Male Brass BSPT
  2. Male Steel BSPT x Female Brass BSPT
  3. Male Steel BSPT x Brass Solder
  4. Steel Female BSPT x Brass Male BSPT
  5. Female Steel BSPT x Female Brass BSPT
  6. Female Steel BSPT x Brass Solder

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: