ISI / BIS Certification is mandatory for
Hydraulically Regulated Door Closers
IS Standard : IS 3564:1995
Hydraulically Regulated Door Closers has been included in the mandatory ISI Certification Scheme under IS 3564:1995.
- This standard covers the requirements for exposed type hydraulically regulated door closers for vertical hinge type doors opening to one side only and not weighing more than 80 kg.
- This standard does not cover the requirements for concealed type hydraulic door closers and also the pneumatic or mechanical type of door closers.