ZENITH 15-85KG Heavy duty Adjustable Size 1-4 Surface mounted UL Fire rated Overhead Door closer (MTA-DC021BC-B)

Build in Back check function

Regular arm, non-hold open function

Latching & Closing Speed adjustable

Adjustable force by Spring: Size 1-4,15-85KG

Material: Cast Aluminum Body

Finish: Silver (US28/689)

comply to ADA: Barrier Free function for Elderly/Handicapped

UL10C 3 hours fire rated

produce under standard ANSI 156.4 Grade 1 with 2 million life cycles