Lockwood Synergy® 3579 Series Mortice Locks and Deadbolts
60mm backset.
Lockwood Synergy® 3578 Hold Back Deadlatches
Suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels, and similar buildings.
3570 Series Cylinder Mortice Locks are made from quality materials to meet high durability and strength requirements.
A deadlatching lockset for applications where latch hold- back is required such as high use doors and toilet doors.
Features of the 3578 Hold Back Deadlatches
Latch
Deadlatch
Furniture
Compatible with most Lockwood rose and plate furniture including Brass Door Furniture, Aquileart, Artefact Series II and Ovation series.
Lockwood Synergy® 3578 Hold Back Deadlatches
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
Backset
- 60mm standard backset
- Extended backsets 89 and 127mm are available on application.
Latchbolts
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 This auxiliary bolt retracts when the main latchbolt is withdrawn when the door is closed.Deadbolts
Deadbolts are 19mm, stainless steel.Springs
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.Security
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.Durability
All 3570 Series Cylinder Mortice Locks conform with level D3 (Durability) Australian Lock Standard (AS 4145.2- 1993).Fire Rating
3578 Hold-Back Deadlatches are non-fire rated.
Cylinder
Five pin tumbler mechanism. Standard Lockwood oval shaped brass cylinders and brass barrels.
Functions require the use of different cams and adaptors.Keying
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
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.Technical Downloads
Service Manual
Similar products
Lockwood Synergy® 3572 Vestibule Mortice Locks
Available in 60mm, 89mm or 127mm backset.Lockwood Synergy® 3570 Nightlatch Mortice Lock
60mm, 89mm or 127mm backset models available.
