Lockwood Synergy® 3577 Dual Entry Deadlatch Mortice Lock 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. Designed to enable emergency services to enter specific areas by second cylinder without giving access to all locksets in the building and the ability to lockout keys with restricted access at certain times. FurnitureSelect from Lockwood 1800, 2800 or Artefact Series II ranges. Specification 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. LatchboltsLatchbolts 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 This auxiliary bolt retracts when the main latchbolt is withdrawn when the door is closed. DeadboltsDeadbolts are 19mm, stainless steel. SpringsHigh grade spring steel material, corrosion protected. Cylinder Retaining PinHard-drawn spring steel wire, corrosion protected. Door Thickness32mm to 50mmLocksets to suit thicker doors are available on application. Door ClearanceTo 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 DoorsAluminium door accessory packs and aluminium fix locks are available upon request. Specify SP3570-419 for mounting tabs accessory pack or 3572AFSC. SecurityAll 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. DurabilityAll 3570 Series Cylinder Mortice Locks conform with level D3 (Durability) Australian Lock Standard (AS 4145.2- 1993). Fire RatingLockwood 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. CylinderFive 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 CylindersExtended cylinders are available for thicker doors. RebateRebate kits to suit 13mm standard rebate are available. Electric StrikesLockwood 3570 Series Mortice Locks are compatible with most electric strikes. Refer local sales office for further details. Close Downloads 3570 Series Installation Instructions.pdf (.pdf, 1.1 MB) 3570-419 Aluminium Door Fixing Tabs Instructions.pdf (.pdf, 449 kB) 3570AF Series Routing Instructions.pdf (.pdf, 354 kB) 3577 Series Dual Entry Lock Instructions.pdf (.pdf, 741 kB) 3P70 Series Rebate Kit Instructions.pdf (.pdf, 2 MB) Lockwood Synergy Mortice Locks Catalogue.pdf (.pdf, 5.8 MB) Synergy Series Mortice Locks Service Manual.pdf (.pdf, 17.6 MB) Close Where to buy? Find your local Lockwood stockist. Lockwood Synergy® 3572 Vestibule Mortice LocksAvailable in 60mm, 89mm or 127mm backset. Lockwood Synergy® 3540 Short Backset Mortice Deadlock23mm backset models available. Lockwood Synergy® 3578 Hold Back Deadlatches60mm, 89mm or 127mm backset models available.