7700 Styles
Aluminum Heavy Duty Expansion Ring Couplings

Available sizes: 1″ thru 6″

Configurations:
1″ – Two rocker lugs on male and swivel.
1½” thru 3½” – Three rocker lugs on male and swivel.
4″ thru 6″ – Four rocker lugs on male and swivel.

Style:
• 7715 (1½”) and 7725 (2½”) are FM Approved.

Meets A-A-59227A, Type A, Style 1 , Type B (WW-C-621G) and A-A-59226 (ZZ-H-451G) latest revision.