ST75 Series

Characteristics

ㆍ Floor spring with fix closing force for medium doors.
ㆍ Certified in compliance with EN 1154 /UL / ANSI 156.4 Grade 1
ㆍ Suitable for fire and smoke protection doors(No fire test conducted yet)
ㆍ For double and single action door up to 60kg
ㆍ Closing from 175˚ in both door swing directions with hydraulic control from 170˚
ㆍ Adjustable closing speed(175˚~15˚) and latching speed(15˚~0˚)
ㆍ Cast aluminum body.
ㆍ Universal cover plate in stainless steel.
ㆍ Mechanical Back Check function.
ㆍ Cement box in hot zinc plated.
ㆍ Extended spindle.