ISI / BIS Certification for Door closers, concealed type (hydraulically regulated)

Door closers, and concealed type (hydraulically regulated) have been included in the mandatory ISI Certification Scheme under IS 14912:2001.

1. This standard covers the requirement for concealed type hydraulically operated door closers, fixed in concealed position within the thickness of the panel on vertical hinge type doors opening to one side only and not weighing more than 80 kg.
2. This standard does not cover overhead-type door closers covered in IS 3564: 1995 `Hydraulically regulated door closers' or pneumatic type door closers or closers working only on mechanical devices.