Dielectric Unions
Black Iron x Black Iron
®
®
Description
The most effective method for preventing piping system
deterioration from accelerated corrosion due to galvanic
and stray current is the use of dielectric unions.
Features
  • Prevents accelerated corrosion
  • For use on black pipe
  • Pressure rating: 250 PSI
  • -20˚F to 180˚F - Buna Seats
  • -20˚F to 220˚F - Teflon Seats
  • Approvals
  • Meets ANSI B16.39.
  • IPS ANSI B1.20.1
  • Dielectric Union Black
  • Solder end ANSI B16.18
  • Warranty
    The Company, for a period of one year from the date of
    shipment, warrants each product or system of its own
    manufacture to the original purchaser to be free from
    defects in material and workmanship under normal use,
    service and maintenance.
    Architect/Engineer approval
    Job Name
    Date
    Model Specified
    Quantity
    Variations Specified
    Customer/Wholesaler
    Contractor
    Architect
    Note: Information subject to change without notice.
    Jomar International Ltd.
    © Copyright 2006 Printed in U.S.A.
    ®
    ®
    7243 Miller Drive
    Dielectric BxB
    Warren, MI 48092
    04/06
    Phone: 800-325-5690
    Fax: 800-628-4194
    www.jomar.com
    Dielectric Unions
    Black Iron x Black Iron
    ®
    ®
    Description
    Material Specification
    The most effective method for preventing piping system
    No. Part Name
    Materials
    deterioration from accelerated corrosion due to galvanic
    1
    Body
    Forged Steel
    and stray current is the use of dielectric unions.
    2
    Tailpiece
    Forged Steel
    3
    Union Nut
    Forged Steel
    4
    Insulator
    Plastic (nylon w/ fiber filled)
    Dimensions in Inches
    5
    Gasket
    BUNA-N (180˚)
    * For higher temperature service, teflon seats are available (220˚)
    Computer
    No.
    Size
    A
    B
    C
    D
    701-403
    1/2”
    1.67
    .77
    1.88
    1.03
    701-404
    3/4”
    2.06
    .91
    2.21
    1.35
    701-405
    1”
    2.43
    .96
    2.30
    1.56
    701-406
    1-1/4”
    2.91
    1.00
    2.78
    1.98
    701-407
    1-1/2”
    3.25
    1.18
    2.99
    2.15
    701-408
    2”
    4.00
    1.42
    3.48
    2.74
    Note: Information subject to change without notice.
    Jomar International Ltd.
    © Copyright 2006 Printed in U.S.A.
    ®
    ®
    7243 Miller Drive
    Dielectric BxB
    Warren, MI 48092
    04/06
    Phone: 800-325-5690
    Fax: 800-628-4194
    www.jomar.com