Norton 73 Series Double Acting Center Hung Door Closer | Grade 1 Overhead Concealed Closer

Norton 73 Series Double Acting Center Hung Door Closer | Grade 1 Overhead Concealed Closer

APPLICATION

• Exterior or interior doors

• Door weight up to 250 lbs.

• Maximum door size: exterior 4' x 8', interior 4'6" x 8'

• Can be used in aluminum, hollow metal or wood frames

FEATURES

• Double acting, center hung

• Heavy-duty cast iron closer body

• 270 pivot set included

• Steel alloy track

• Includes security track designed to eject foreign materials used to prevent a door from closing

• One-piece mounting plate

• 1-1/4" piston diameter

• Dress cover plate included

• Adjustable spring 2-4 for larger doors (specify 73)

• Adjustable spring 1-3 for lighter opening force (specify PH73 – ADA compliant)

• Non-handed

• Staked, brass adjusting valves

• Product shipped with all wood and all metal screws

• Independent latch speed valves

• Closing speed valve

• Backcheck speed valve

• All weather fluid (accommodates a temperature range from - 40° to 150°F.)

• Hold open; can be achieved by adding hold open assembly to track. Specify 73H. 95° maximum hold open.

• Minimum metal frame size 1-3/4" x 4". Minimum wood frame 2-1/2" x 4-1/2"

• Direct replacement for LCN 6030 (double acting)

COMPLIANCE

• ANSI/C05081

• ANSI/BHMA A156.4 Grade 1

• PH73 meets requirements for Americans with Disabilities Act (ADA)

SPECIFICATIONS

Model 73 shall be used for center pivot double acting, interior or exterior doors. Closer shall fit in a 1-3/4" x 4" metal frame/aluminum transom and 2-1/2" x 4-1/2" wood frame. Closer shall be non-handed. Closer shall have adjustable springs that can be independently adjusted per door direction for adjustable strength. Closer shall have adjustable hydraulic back check. Closer shall have two closing speed adjustments, sweep and latch, where latch speed adjustments can be independently adjusted per door direction. Closer shall be constructed with a cast iron body with 1-1/4" dual pistons for high strength and premium performance. Closer shall be Grade 1 per ANSI/BHMA A156.4, UL Listed, and ADA-compliant. An optional hold open feature can be achieved using the single lever arm and track design.

NORTON 73 TECHNICAL INFO