Calibre Door Closers Overhead Concealed (OHC) Closer Body Only, 90° Back Stop, Non Hold Open (NHO), Medium Spring Tension

This Calibre Overhead Concealed Closer Body is a standalone unit designed for commercial aluminum door systems where a full closer assembly is not required. Featuring a 90° back stop and non hold open (NHO) function, this body is equipped with a medium fixed spring tension, making it ideal for medium-duty applications in office, retail, and institutional settings.

The closer body is compatible with both center and offset hung configurations and integrates with a wide range of arm and pivot hardware from Calibre. It installs in headers as small as 1-3/4" x 4", and is fully non-handed for universal application. UL10C and UBC 7.2 certifications ensure code compliance for life safety and fire protection.

• Function: 90° Back Stop, Non Hold Open (NHO)

• Type: Closer Body Only (no arms or pivots included)

• Spring Tension: Medium (Fixed)

• Closer Type: Mechanical Overhead Concealed Closer

• Mounting: For use in center hung or offset hung systems

• Handing: Non-handed (LH or RH)

• Compatibility: Accepts standard Calibre OHC arms and pivots

• Header Size Requirement: Fits aluminum headers as small as 1-3/4" x 4"

• Speed Adjustment: Dual independent valves for closing and latching

• Positive Cam Centering: Holds door closed against wind or draft

• Operating Fluid: Stable hydraulic fluid for smooth function in any climate

• Fire & Safety Certification:

  • UL10C Listed (positive pressure)

  • UBC 7.2 (1997), BS476 Fire Safety