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Mortise door locks and cylinders

Steel version - Brass finish - Round corners

Viro's mortise door locks are compatible with most cylinders on the market and are the most widely used for the wide range of backsets available: from 20 to 70 mm.

  • Case:

    painted steel completely closed case. DIN standard through holes for insertion of security escutcheons.

  • Standard latch and dead-bolt:

    solid brass both in the brass and the steel versions (except the dead-bolt for the 20/25/30 backsets). Latch reversible with a simple movement.

    • brass version: with standard latch (for maximum security);
    • steel version: with standard or double-edged latch (the double-edged latch centers itself according to the striking plate, making the lock easier to install).
  • Mechanism:
    • 85 mm centre distance;
    • 8 mm handle hole.
    • double throw for 35 to 70 mm backsets;
    • single throw for 20 to 35 mm backsets (35 mm backset with both single and double throws for steel versions with square corners).
  • Plate and striking:

    steel (7435 series) or brass (7431 series). Removable and replaceable plate. Striking plates with square corners and jamb protection fin.

  • Supplied with:

    fixing screws for the lock and fixing screw for the cylinder.

  • Packaging:

    single box.

  •  Special visual packs.

Standard latch

 

Item

Backset

Case width

Dimensions Dead-bolt

Throw projection

double throw

Unit weight

(without cylinder)

 

No.

mm

E

mm

A

mm

B x D

mm

C

No.

g

   7435.20.1.046203540 x 8,5141455
   7435.25.1.046254040 x 8,5141480
   7435.30.1.046304540 x 8,5141520
   7435.35.1.046356147 x 10202635
   7435.40.1.046406647 x 10202665
   7435.45.1.046457147 x 10202700
   7435.50.1.046507647 x 10202730
   7435.60.1.046608647 x 10202790
   7435.70.1.046709647 x 10202835

FINISHES ON REQUEST
PLATE AND STRIKING PLATE IN:
NICKEL PLATED STEEL (replace the last figures of the code with .009)

Double-edged latch

 

Item

Backset

Case width

Dimensions Dead-bolt

Throw projection

double throw

Unit weight

(without cylinder)

 

No.

mm

E

mm

A

mm

B x D

mm

C

No.

g

   7435.40.3.046406647 x 10202665
   7435.45.3.046457147 x 10202700
   7435.50.3.046507647 x 10202730
   7435.60.3.046608647 x 10202790
   7435.70.3.046709647 x 10202835

OPTIONAL STRIKING PLATE ITEM 7435.0607.2.046 10 pieces per pack