Gainsborough 3100 Series Hydraulic Door Closer.

Gainsborough 3100 Series Hydraulic Door Closer.
Category : Door Hardware
Date : 02/07/2019

The Gainsborough 3101 Hydraulic Door Closer

The Gainsborough 3101 Hydraulic Door Closer is a compact design with minimal projection, for internal or external doors.

A universal Door Closer for all occasions, home or commercial.

The closer has a standard backcheck with slide arm installation and power adjustment.

Rack and pinion hydraulic controlled piston, power adjustable (1-4), high purity aluminium body.

Reversible for left or right-handed doors.

Backcheck standard on 3101.

Approved on fire door assemblies in accordance with Aust. Std. AS1905.1.2005 – Fire Resistant Door sets.

Spindle Cap supplied to cover spindle exposed to view, colour complementing closer body, arm and dress plate. Metal Cover Plate 3100 Series supplied with slide cover as standard.

Delayed Action Valve Holds door in open position for a number of seconds before closing starts. Adjustable 1-20 seconds.

Backcheck Valve Adjustable backcheck captive valve for cushioning effect upon opening of door. 

Backcheck range 70°-180°.

Power Adjustment Screw Captive screw for adjustment for increasing (clockwise) and decreasing (anti-clockwise turn), of closing power (not speed) of the unit.

Closing power 1-4 with slide arm.

Approved for Disable Access 

Closing power adjustment bracket. 30mm maximum (positioning of arm) adjustment (STD installation).

Slide arm installation.

Latching Speed Adjustment Valve Captive latching speed valve for fine tuning of latch closing speed. Independent of closing speed.

Latching range 0°-15°.

Closing Speed Adjustment Valve Captive closing speed valve for adjustment of door closing speed fast-slow.

Closing range 15°-180°


Available from Architectural Design Hardware

  • DESIGNER doorware
  • Gainsborough
  • Ingersoll Rand
  • KABA
  • madinoz
  • Pittella
  • Bellevue Imports