Functions:
1) Individual two speed adjusting valves, used to adjust closing speed
from 0 – 15o and 15 – 180o
2) Adjusting valves turn clockwise to slow the closing speed,
counterclockwise to increase speed
3) Back-check function works on doors open to approximately 75o
to avoid damage to door
4) Choose either slide arm or cam hold-open arm
5) Delay action will delay the door from closing, when opened more than
a 75o angle

Features:
1) Aluminum alloy die casting body
2) Suited for hollow steel or wood doors with any kind of frame
3) Adjustable spring power designed to provide two ranges of power, from
size 1 -4, and from size 2 – 5
4) Universal application for standard, top jamb, and parallel arm
installation
5) Precise two speed adjusting valve for control of door closing