ANSI
American National Standards Institute which publishes standards for the entire door opening.
Applied Stop
Surface mounted stop attached to a cased opening frame.
Backcheck
Hydraulic circuit designed to cushion the door's opening swing at about 70 to 75 degrees.
Closing Force
Energy generated by a closer to close and latch the door.
Concealed in Door
Closer with the cylinder concealed in the top rail of the door with either an exposed or concealed arm.
Cutout
Preparation of the top rail of a door or frame for concealment of the closer, arm, or track.
Cylinder Assembly
Main closer component complete with any mounting plates or electronics.
Delayed Action
Delays closing from maximum opening to approximately 70 to 75 degrees.
Double Lever Arm
A two part arm hinged at the elbow that provides superior leverage.
Finish Plate
Decorative plate applied to overhead concealed closer to conceal closer mounting plate and screws.
Forearm
Arm part that connects main arm to the shoe attachment in a double lever arm system.
Handed
Closer is designed for only right or left swing doors.
Hold-Open Arm
Double lever arm that provides hold-open function, adjustable at elbow or shoe.
Hydraulic Fluid
Oil metered by valve system to control door.
Latch
Allows adjustment of door speed from 10° - 12°to closed position
Latch Speed
Separate adjustment that controls the last few degrees of the door's degrees of latch.
Main Speed
Adjustment to control closing swing of the door to within a few degrees of latch.
Maximum Opening
Furthest degree of door opening allowed by the mechanical limits of the closer.
Multi-point Hold Open
Infinite hold-open from 0 up to the maximum opening.
Non-Handed
Closer is designed for both right and left hand swing doors.
Non-Sized
Cylinder assembly with spring power adjustable over a range of sizes.
Opening Force
Force required to open door against the closer's spring power.
Overhead Concealed
Closer with cylinder concealed in the frame and either a concealed or exposed arm.
Parallel Arm
The closer is mounted on the push side of the door. The arm is attached to the frame soffit parallel to the door.
Regular Arm
The closer is mounted on the pull side of the door. The arm is attached to the frame face or hinge side of the door.
Regulating Screw
Vale that adjusts flow of hydraulic fluid with cylinder to control door closing speed.
Shoe
Attaches forearm to frame or door face in a double lever arm system.
Sized
Closer with a specific minimum closing power.
Soffit
Horizontal surface of a frame between vertical stops on a double rabbeted frame.
Spring Power
Closing force exerted by the spring inside cylinder to close door.
Standard Cover
Conceals cylinder with only arm/pinion attachment exposed.
Standard Track with Bumper
Non-hold open track with bumper assembly installed.
Standard Track
Non-hold open track.
Sweep
Provides adjustment of door speed from full opening position to 10° - 12° from the closed position.
Top Jamb Arm
The closer is mounted on the opposite to hinge side frame face, above the door. The arm is attached to the top rail of the door at a right angle to the door.
Track Bumper
Mounts in track to cushion opening swing, but reduces maximum opening.
Tri-Style®
The closer is packed with all necessary hardware for mounting in any of the three traditional mounting styles: Regular Arm, Parallel Arm or Top Jamb.