Door Closer
A door closer is a mechanical or hydraulic device that pulls a door shut after someone opens it. It manages two speeds. The “sweep” controls how fast the door swings toward the frame. The “latch”, also called the “check”, controls the final pull into the frame. Door technicians adjust both speeds independently on most models. […]
Swing Control
Sensor
Function Switch
Used exclusively on automatic doors, a function switch is a user-accessible switch that can control the function of a door. 99% of the time, each automatic door will have its own function switch. Switches can look many different ways. Some may be rocker style switches, rotary switches (with a knob), switches with an LCD panel, […]