A156.4 Grade 1: Heavy duty commercial performance tested to over 2 million cycles

Regular arm mount: Strongest closing power for pull-side installations

Aluminum finish: Architectural, corrosion-resistant finish for interior or exterior doors

Adjustable spring power: One closer covers multiple door sizes and traffic conditions

Independent sweep, latch, and backcheck adjustments for precise control

Robust forged arm assembly for long-term durability in high-use environments

Full architectural cover for a clean, professional appearance

Needle bearings for smooth, quiet operation

All-weather hydraulic fluid ensures consistent performance year-round

Standard template: 3/4" x 9-1/16" center-to-center mounting hole pattern

UL Listed 10C: Suitable for labeled fire door assemblies

Technical Specifications

Ideal for schools, office buildings, warehouses, retail stores, and institutional facilitiesrequiring a reliable Grade 1 closer in a standard pull-side regular arm configuration. Perfect for exterior commercial doors, corridor doors, and high-use interior openings where maximum mechanical advantage and strong latching power are required.