Surface mounting closers

Track arm surface closers – Irregular Piston & Pinion
Track arm surface closers – Irregular Piston & Pinion
Track arm surface closers – Irregular Piston & Pinion

IT920 / IT936

Track arm surface closers – Irregular Piston & Pinion

Tested to EN 1154

by Warrington APT Laboratories, UK

DORINT IT920 OVERHEAD DOOR CLOSER

NUMBER: 1121-CPR-AD5334

Sliding Arm with Hold Open Function

High Efficiency of Opening and Closing

Track arm surface closers – Irregular Piston & Pinion
Track arm surface closers – Irregular Piston & Pinion
Track arm surface closers – Irregular Piston & Pinion

Product specifications

DATA AND FEATURES IT920 IT936
Variable closing force Spring strength(EN) 2 to 4 3 to 6
Standard doors ≦850mm ≦40kg IT920 X
  ≦950mm ≦60kg IT920 IT936
  ≦1100mm ≦80kg IT920 IT936
  ≦1250mm ≦100kg X IT936
  ≦1450mm  ≦120kg X IT936
Body dimensions(mm)  Length 220 283
  Width 55.2 62
  Thick 38.5 45
Arm Standard X X
  Parallel X X
  Track(standard) V V
  Track(hold-open) V V
Double Action X X
Power shoe arm bracket X X
Angle of opening #2/ #3 IT920  180° X
  #4 IT920 120° X
  #3/ #4/ #5 IT936 X 180°
  #6 IT936 X 130°
Power adjustable by spring V V
Power adjustable by position X X
Sweep speed adjustable(180°~ 15°) V V
Latching speed adjustable(15°~ 0°) V V
Hold-open Built in X X
  Hold open arm X X
Back-check By cushion stop O O
Delayed action adjustable X O
Non-handed V V
Application Track arm V V
  Parallel arm(66) X X
  Transom(61) O O
Guarantee / years   10years 10years
V = yes     X = no     O = option

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