A comprehensive range of cylinder mortice locks suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels and similar buildings.

These locks have various latching functions operated by a key outside and by a turnknob or key inside. The mortice nightlatch locks automatically when the door is closed.

The 3770 Nightlatch Mortice Lock also feature through-fixing of rose furniture turnknobs and escutcheons, allowing for more robust fixing of door furniture.

Details
Specifications

Furniture

Compatible with most Lockwood cylinder escutcheons, turnknobs and plate furniture.

Case and Faceplates

  • High purity zinc alloy material cases with stainless steel chassis plates. Stainless steel faceplates provided as standard
  • Brass faceplates available for alternative finishes

Backset

  • 60mm standard backset
  • Extended backsets 89 and 127mm are available
  • Latch bolts are made with stainless steel, 15mm in size
  • Deadlatching is achieved by an auxiliary stainless steel latch bolt
  • Reversible for both left and right hand doors, opening in or opening out whilst lock is in door
  • Electric Strike compatibility
  • Separate auxiliary bolt moves into lock case simultaneously with latch bolt
  • Radius bolt provides greater deadlatch throw and smoother closing action

Cylinder Retaining Pin

Hard-drawn spring steel wire, corrosion protected.

Door Thickness

  • 32 to 50mm
  • Components to facilitate use on 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. The deadlatching will operate up to 7mm door clearance, however door clearances over 5mm are not recommended.

Aluminium Doors

Specify Selector® 3772-AFKIT for aluminium door fixing kit to convert a timber fix lock to aluminium fixing. The aluminium door fixing kit comes with a 156mm by 25mm radius corner faceplate common to other aluminium door locks.

Security

All Selector® 3770 Series Cylinder Mortice Locks conform with Level S7 (Physical Security) Australian Lock Standard (AS-4145.2-2008). Conforms to Level S8 (Physical Security) when fitted with door furniture and anti-drill cylinder.

Durability

All Selector® 3770 Series Cylinder Mortice Locks conform with Level D8 (Durability) Australian Lock Standard (AS4145.2-2008).

Fire Rating

All Selector® 3770 Series Cylinder Mortice Locks have been successfully tested up to 4 hours (depending on type of doorsets) on fire door assemblies in accordance with Australian Standard AS 1905.1-2015, Part 1: Fire Resistant Doorsets.

Anti-Corrosion

All Selector® 3770 Series Cylinder Mortice Locks conform with Level C6 (168 hours) Australian Standard (AS4145.2-2008).

Cylinder

Requires standard Lockwood oval shaped brass cylinders and brass barrels. Lockwood cylinders include bump resistant five pin tumbler mechanism.
Functions require the use of different cams and adaptors.

Keying

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 and can also include specially designed keying systems such as master key systems. This allows for different levels of mechanical access control.

Standard Finishes

Stainless Steel SS

Extended Cylinders

Modular Cylinder Extensions are available for thicker doors.

Rebate

Rebate kits to suit 13mm standard rebate are available.

Electric Strikes

Lockwood offers a wide range of electric strikes which are compatible with the Selector® 3770 Series Mortice Lock.

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