Defender Hinges

A superior self-balancing hinge range with unrivaled weather sealing providing natural ventilation on projecting top and side hung windows

Features

  • Improved weather sealing and draught proofing performance from extended enclosed end cap and asymmetrical vent arm form when tested to BS 6375-1
  • Lipped slider for enhanced smooth operation
  • Easy friction adjustment without metal to metal contact
  • Unique robust cam friction device eliminates any risk of friction screw misuse
  • Slot-hole-slot vent fixing configuration for ease of adjustment and guaranteed fixing into reinforcement on PVC-u window frames
  • Enclosed end cap to prevent ingress debris and provide increased cavity tolerance
  • Available as high line variants for deeper profiles with cavities between 16 mm and 18 mm
  • Available as a slimline variant; engineered for narrower hardware channels
  • Available as a timber variant with reduced height end cap to minimize required routing.
  • Drilling jigs for all sizes available to order

Specifications

  • Long and reliable working life tested to 30,000 cycles
  • Available in ferritic 430* as standard or austenitic 304* stainless steel for enhanced corrosion resistance
  • 10 Year Guarantee (details available upon request)
  • Note: Manufacturer’s literature is provided for informational purposes only.

    Every effort is made to maintain up to date manufacturers literature, however our vendors reserve the right to revise product specifications as they see fit, without prior or formal notification.

    For project specific requirements, please contact our engineering department.

    In many cases product testing, by others, may be required to ensure performance expectations are met.

Top Hung

BC Part Number Hinge size (mm) (In) Stack Height (mm) (In) Max. Vent weight (kg) (lbs) Min Vent Height (mm) (In) Max Vent Height (mm) (In) Opening Angle (+/-2.5°)
851 001 8646 159 6 13 0.51 10 22 150 5.85 300 11.70 50°
851 002 8646 209 8 13 0.51 12 26 200 7.80 350 13.65 65°
851 003 8646 259 10 13 0.51 16 35 275 10.73 400 15.60 80°
851 004 8646 310 12 13 0.51 20 44 350 13.65 550 21.45 80°
851 005 8646 412 16 13 0.51 21 46 500 19.50 780 30.42 80°
851 006 8646 513 20 13 0.51 26 57 700 27.30 1100 42.90 50°
 851 007 8646 615 24 13 0.51 40 88 850 33.15 1300 50.70 37.5°

Side Hung

BC Part Number Hinge size (mm) (In) Stack Height (mm) (In) Max. Vent weight (kg) (lbs) Min Vent Height (mm) (In) Max Vent Height (mm) (In) Opening Angle (+/-2.5°)
852 001 8646 310 12 13 0.51 22 48 300 11.70 600 23.40 60°
852 003 8646 412 16 13 0.51 24 53 400 15.60 700 27.30 60°