AVP Business solution logo
BIS-ISI-CERTIFICATE

IS 14912:2001

Door closers, concealed type (hydraulically regulated)

Door closers, concealed type (hydraulically regulated)
Contact Us

1. Summary about Door Closers, Concealed Type (Hydraulically Regulated)

Concealed hydraulic door closers are installed within the door or frame, providing controlled closing action while maintaining aesthetic appearance. They are commonly used in commercial and institutional buildings.


2. Why BIS Certificate is Mandatory for Concealed Hydraulic Door Closers

BIS certification is mandatory to ensure performance consistency, leak resistance, and long service life. Failure can compromise door operation and safety.


3. What is BIS Certified for Concealed Type Hydraulically Regulated Door Closers

BIS certification verifies compliance with Indian Standards covering hydraulic performance, endurance, and construction integrity.


Tests required for Door Closers, Concealed Type (Hydraulically Regulated)

TitleRequired/Optional
Essential requirements

Required

Thickness of anodic coating

Required

Phosphating treatment

Required

Visual inspection

Required

Surface

Required

Performance requirements

Required

Endurance test

Optional


4. Benefits of BIS Certification for Concealed Type Door Closers

  • Ensures reliable and silent door operation
  • Mandatory for quality building installations
  • Improves durability and leak resistance
  • Preserves architectural aesthetics
  • Reduces maintenance issues

Our offices