Door Closers

3063 Series

Gainsborough 3050/3060 Series Slimline Hydraulic Door Closers feature a minimum projection from the door face of 36mm for the 3052 and 41mm for the 3063, so designed to reduce risk of damage to closer when door is opened against adjacent walls. The Slimline series is suitable for interior or exterior doors and is available in size 2 or size 3. The range includes standard and parallel arm functions, with or without backcheck.

Product Information

Regular Arm Installation
(Bracket supplied as standard)

Parallel Arm Installation
(Bracket supplied as standard)

Hold Open Installation
(Bracket supplied as standard)

Standard Slide Arm Installation

Jamb Slide Arm Installation

*When specifying Slide Arm version, power loss is rated at between 25%-30%

Adjustable Arm & Bracket

For jamb installation (timber or metal).
Parallel arm installation, bracket supplied as standard.

Latching Speed Adjustment Valve

Independent captive latching speed adjustment valve for fine tuning of latch closing speed.
Valve is located on face of door closer for easy adjustment.
Latching range 0°-15°.

Closing Speed Adjustment Valve

Independent captive closing speed adjustment valve for fast-slow closing action of door.
Valve is located on face of door closer for easy adjustment.
Closing range 15°-180°.

Delayed Action Adjustment Valve

Holds door in open position for an adjustable number of seconds before closing.

Mechanism & Case

Rack and pinion hydraulic controlled piston, housed in high purity aluminium body.


Backcheck standard but adjustable by valve.
Approved on fire door assemblies in accordance with Aust. Std. AS1905.1.2005 – Fire Resistant Doorsets.
Reversible for left or right-handed doors.

Pinion Cover Cap

Where LH or RH installation selected, pinion cap cover complements body design.


Specify size: 3063


3063 – Regular Arm and Parallel Bracket Backcheck

Hold Open

3063HO – Regular Arm and Parallel Hold Open

Slide arm with Optional Hold Open

3052SR or 3063SR – Slide Arm
All above Slimline door closers are supplied in standard silver finish.


3101/PAB1 – Standard Parallel Arm Bracket-Silver
3101/PAB2 – Offset Parallel Arm Bracket-Silver

Optional Cover Plate with Arm Assembly

Specific door closers can also be ordered with cover plate and arm assembly, available in Satin Stainless Steel (SS)* or Polished Stainless Steel (PS)*.
(Hold open and slide arm versions are not available with cover plate at this stage.)

Cover Plate Dimensions

Length x Width x Depth – 244 x 75 x 42mm
Fixed to door closer at the top by two (2) metal threads as supplied.
To order, add finish code to relevant catalogue number e.g. 3063 PS – Regular Arm and Parallel Bracket,
Backcheck with Polished Stainless Steel cover plate.

3350 Series Leaf Selector

Leaf Selector. For a pair of fire doors requiring the correct sequence.
The selector allows one leaf to close before the other.
Tested and approved to Australian Standard AS1905.1.2005 – Fire Resistant Door Sets.

Limiting Dimensions

3063 Limiting Dimensions


A. Adjustable Arm & Bracket
B. Latching Speed Adjustment Valve
C. Closing Speed Adjustment Valve
D. Mechanism & Case
E. Pinion & Cover Case
F. Delayed Adjustable Valve


Coverplate to suit 3063 Series

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 3063 Door Closers


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.

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