Product dimensions
| Specifications | Dimensions from model documentation |
|---|---|
| Illustrated diameter | 40 mm |
| Illustrated thickness | 21.5 mm |
Compare the overall dimensions and mounting points with the documentation for the specific product.
Browse related directorySpecifications
- Compatible series
- Vis Security rim lock
- Operating function
- Bolt travel operation
- Illustrated diameter
- 40 mm
- Illustrated thickness
- 21.5 mm
Construction and implications for selection
990131 operates the Vis bolt; its 40 mm circular outline and 21.5 mm thickness determine the space occupied inside the door. During installation, check the original knob connection; do not use it as a replacement for the Perfecta half-turn latch knob.
Pre-replacement checklist
When ordering, provide the full model 990131 and check Compatible series: Vis Security rim lock; Operating function: Bolt travel operation; Illustrated diameter: 40 mm; Illustrated thickness: 21.5 mm. Also retain photographs of the installation positions of the original lock, strikes and connectors; overall dimensions, hole spacing and travel describe different measurement references and must not replace one another.
Limitations
- This page is a configuration record from catalogue .42; confirm current supply, replacement models and complete installation conditions with the manufacturer.
Sources
ISEO Catalogue 03 .42, PDF page 61 (printed 3-61)Manufacturer documents are provided in their original language.