7700 Styles - Aluminum Heavy Duty Expansion Ring Couplings

Available sizes: 1" thru 6"
Configurations:
" 1" " Two rocker lugs on male and swivel.
" 1 " thru 3 " " Three rocker lugs on male and swivel.
" 4" thru 6" " Four rocker lugs on male and swivel.
Style:
" 7715 (1 ") and 7725 (2 ") 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.