Locking plate, out-opening
- Size / load
- 2 per sash
- Used in
- Open-out side-hung, UPVC
Locking & espagnolette
A set is only as good as its locking points: they pull the sash onto the frame and hold it there. The catalogue lists the plates per sash, the lock boxes that drive them, and the active points used where a sash needs a third or fourth point.
Representative models
Locking plate, top-hung
- Size / load
- 2 per sash in the MQ100 set
- Used in
- Top-hung
Transmission lock box, two-way
- Size / load
- 15 mm and 25 mm backset versions
- Used in
- UPVC
Active lock point
- Used in
- Open-out side-hung, Top-hung
- Note
- Adjustable; used where a sash needs more locking points
Notes for this range
- Most sets take two locking plates per sash; large sashes take more.
- Active lock points are adjustable, so the pressure on the seal can be set on site.
- Lock boxes are listed by backset — check the profile before ordering.
Used in these window systems
- Open-out Side-hung — WK100 set
- Top-hung — MQ100 set
- UPVC — NPLSL100 set
Single parts or a whole set
Distributors order by code and quantity; fabricators send the window and take the set. Both are quoted the same way.