Door Closers
3101 Series
Gainsborough 3100 Series Hydraulic Door Closer. Compact design with minimal projection, for internal or external doors. Standard backcheck with regular and parallel arm installation and power adjustment.
Product Range
3101 Hydraulic Door Closer
Product Information
Regular Arm Installation
(Bracket supplied as standard)
Parallel Arm Installation
(Bracket supplied as standard)
Drop Bracket Installation on Frame
(Bracket supplied as standard)
Standard Slide Arm Installation
Jamb Slide Arm Installation
Adjustable Arm & Bracket
For jamb installation (timber or metal).
Closing power adjustment bracket.
30mm maximum (positioning of arm) adjustment (STD installation).
Parallel arm installation, bracket supplied as standard.
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°.
Metal Cover Plate
3100 Series supplied with slide cover as standard. Optional full metal cover can be supplied if required.
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.
Standard on whole range of 3100 Series.
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 2-4.
Mechanism & Case
Rack and pinion hydraulic controlled piston, power adjustable (2-4), high purity aluminium body.
Reversible for left or right-handed doors.
Backcheck standard in all 3100 Series.
Approved on fire door assemblies in accordance with Aust. Std. AS1905.1.2005 – Fire Resistant Doorsets.
Spindle Cap supplied to cover spindle exposed to view, colour complementing closer body, arm and dress plate.
Applications
Standard installation.
Parallel arm installation.
Slide Arm Installation.
Drop plate installation
Options
Standard
3101 – Regular/Parallel Arm
3101A – Aliminium Parallel Fix Closer
Hold Open
3100HO – Regular Arm Hold Open
Slide Arm
3101SR – Slide Arm
Accessories
3101/PABI – Parallel Arm Bracket
3101/DP – Drop Plate
3101/SA – Slide Arm Assembly
3101PAB2 – Offset Parallel Arm Bracket Silver
3101/HO – Hold Open Arm Assembly
Finishes
Supplied standard in silver finish unless otherwise shown.
Other finishes available on request.
Limiting Dimensions
3101 Limiting Dimensions
Legend
A. Adjustable Arm & Bracket
B. Latching Speed Valve
C. Closing Speed Valve
D. Backcheck Valve
E. Power Adjustment Screw
F. Mechanism and Case
G. Spindle Cap
H. Delayed Action Valve
Accessories
Cover Plate to suit 3100 Series Door Closers
Flat Adjustable Arm Assembly
Parallel Arm Bracket
Parallel Arm Bracket #2 Offset
Slide Arm & Channel w. / Ajustable Hold Open
Slide Arm SS & Channel SN. w. / Ajustable Hold Open
Slide Arm PS & Channel PN. w. / Ajustable Hold Open
Hold Open Arm Assembly
Drop Plate to Suit 3101
Guarantees
5 year limited tarnish resistant and 10 year limited mechanical
Gainsborough Hardware Industries Limited guarantees to repair or replace this product if within five (5) years from the proven date of purchase it tarnishes, discolours or corrodes; or if within ten (10) years from the proven date of purchase any mechanical defects occur. Applies only when properly installed and subjected to no more than fair wear and tear. This guarantee does not extend to labour costs, personal loss, death or injury, or economic, consequential or property damage of any kind whatsoever.