Lockwood Synergy® Series Short Backset Vestibule Locks

Lockwood Synergy Series Short Backset Vestibule Locks
Lockwood Synergy Series Short Backset Vestibule Locks
Lockwood Synergy Series Short Backset Vestibule Locks
Lockwood Synergy Series Short Backset Vestibule Locks

Synergy Series Short Backset Vestibule Locks are made of the finest materials, with the easy action and solid feel of the world’s finest locks.

Various latching functions operated generally by key or handle outside and by turnknob, key or handle inside. These locks comply with building regulations for single-action escape doors. For ease of selection specify primary lock i.e, 3582SC. This lock can then be easily adapted to suit function required.

Features of the Synergy Series Short Backset Vestibule Locks

Single Action Escape
Both lockset and furniture are reversible without disassembly.

Deadlatch only.

Compatible with Lockwood 4800 and 5800 Series Furniture.


Furniture Plates and Lever Handles
Solid Brass

Case and Cover Plates

  • High purity zinc alloy material cases and stainless steel cover plates
  • Brass plates provided for plated finishes available in square and round end


  • 60mm standard backset
  • Extended backsets 89 and 127mm are available on application.

Latchbolts are 15mm, stainless steel. Deadlatching is achieved by an auxiliary stainless steel latchbolt. This auxiliary bolt retracts when the main latchbolt is withdrawn when the door is closed.

Deadbolts are 19mm, stainless steel.

High grade spring steel material, corrosion protected.

Cylinder Retaining Pin
Hard-drawn spring steel wire, corrosion protected.

Door Thickness
32mm to 50mm

Locksets to suit thicker doors are available on application.

Door Clearance
To ensure correct functioning of the deadlatching mechanism and security for all locks, the clearance between the door and the frame should be 3mm. However the deadlatching will operate up to 8mm door clearance.

Aluminium Doors
Aluminium door accessory packs and aluminium fix locks are available upon request. Specify SP3570-419 for mounting tabs accessory pack or 3572AFSC.

All 3570 Series Cylinder Mortice Locks conform with Level S2 (Physical Security) Australian Lock Standard (AS-4145.2-1993). Level S3 (Physical Security) is available upon request.

All 3570 Series Cylinder Mortice Locks conform with level D3 (Durability) Australian Lock Standard (AS 4145.2- 1993).

Fire Rating
Lockwood 3570 Series Mortice Locks have been successfully tested up to 4 hours (depending on type of doorset) on fire door assemblies in accordance with Australian Standard AS 1905.1- 2005, Part 1: Fire Resistant Doorsets.

Five pin tumbler mechanism. Standard Lockwood oval shaped brass cylinders and brass barrels.
Functions require the use of different cams and adaptors.


Standard Keying

  • Supplied individually keyed with two keys per lock
  • 78,000 key combinations
  • Key blank KB2015P

Restricted Special Keying

Lockwood locks can be keyed to a number of controlled and/or specially keyed systems. These range from legally protected keys to protect against unauthorised duplication, which can also include specially designed key systems such as master key systems, which allow for different levels of mechanical access control.

Lockwood Keying Platforms - more information

Standard Finishes

  • Chrome Plate CP
  • Satin Chrome Brushed SC
  • Polished Brass PB

Extended Cylinders
Extended cylinders are available for thicker doors.

Rebate kits to suit 13mm standard rebate are available.

Electric Strikes
Lockwood 3570 Series Mortice Locks are compatible with most electric strikes. Refer local sales office for further details.

Where to buy?

Find your local Lockwood stockist.