351 Series UO Universal Arm Package

This exact Sargent DA-351-UO-EB-TB configuration is identified as Powerglide. TB Through Bolt DA Delayed Action. EB Bronze enamel/polyester powder coated to match finish US10B. Provides brackets and arms to install closer in standard top jamb or parallel applications..

Primary field use

Control closing and latching on a compatible commercial or institutional swinging door

Fit check

Confirm closer series, spring range, door size and weight, mounting position, handing, arm and shoe, reveal, cover, finish, fire label, opening force, backcheck, delayed action, hold-open limitations, accessibility, and required fasteners before quoting.

Technician note

Closer selection and commissioning affect accessibility, positive latching, and life safety. Diagnose hinges, door balance, seals, air pressure, latch resistance, and the approved opening schedule before changing spring or valve settings.