TELL - 12544 - Heavy Duty Commercial Door Closer - Fixed Spring Tension - Grade 3 - Size 4 - Backcheck - Parallel Arm Bracket - Optional Finish Finish:Aluminum It is used for EWS

It is used for EWS

some new BSI versions

91 mm diameter) wire

It effectively prevents the door from being opened from the inside

TELL - 12544 - Heavy Duty Commercial Door Closer - Fixed Spring Tension - Grade 3 - Size 4 - Backcheck - Parallel Arm Bracket - Optional Finish Finish:Aluminum It is used for EWSTELL DC100010 Tell Manufacturing's 500 Series Door Closer is designed for interior commercial use. It is a Grade 3 heavy duty aluminum commercial door closer that complies with ANSI A156. 4 Specifications: Performance Complies with ANSI A156. 4 Grade 3 500,000 cycles UL ULC listed up to 3 hours fire rated Chassis Cast aluminum Handing Non handed Mounting Tri Pack regular, top jamb and parallel arm applications Arm Stamped steel Accommodates up to 3 "