Concealed hinges are usually employed for functional or visual reasons. The hinge is mounted on the inside edge of the door and frame and is only visible when the door is open.

Door part, frame part and pin steel, stainless steel 1.4305, 1.4301 or 1.4401.

Locking sleeve PE-LD.

O-ring NBR.

Door part, frame part and pin steel, untreated or electro zinc-plated.
Door part, frame part and pin bright stainless steel.
Locking sleeve black.

For on-frame doors.
Hinges not visible.
Folded edge 16, 18 or 20 mm.
For right or left use.
Opening angle 115 or 120°.
Weld-on door part.

Form A: Hinge pin secured by sleeve.

- Machine and plant construction
- Switchboxes and control housings
- Medical and laboratory technology
- Transport and conveyor systems

1) Folded edge
2) Fastening type frame part: weld-on
3) Fastening type frame part: screw-on
4) Pin version: without slot
5) Pin version: with slot incl. DIN 6799 locking washer
6) Pin version: with slot incl. O-ring
7) Locking sleeve
8) Weld bead
9) Reinforced
10) Fastening with M5 countersunk screws
11) Notch in the door