TREMOLO – Timeless Design and Reliable Technology
The TREMOLO hardware series combines maintenance-free technology with exceptional durability – tested for over 1.5 million operations in accordance with EN 1906. An integrated high-lift spring ensures permanently precise return action, while the concealed quick installation enables fast and clean mounting. Thanks to a wide range of lever handle and knob models as well as variants for timber, steel, and tubular frame doors, every door solution can be implemented flexibly and precisely.
Features
Tested according to DIN EN 1906 – suitable for high-traffic project doors
High-lift spring for permanently precise return action
Concealed quick installation for easy mounting and a clean appearance
Maintenance-free, robust mechanism for continuous use
Available as rose, short plate, long plate, and wide plate sets
Compatible with timber, steel, and tubular frame doors
Security hardware according to DIN 18257 available (e.g. ES1 / ES3)
Lever handle and knob variants in timeless, functional design
Change, bathroom, and half sets available
Surfaces: satin stainless steel, EV1, brass PVD, white (RAL 9016)
Technical Data
| Classification code according to EN 1906 | |||||||
|---|---|---|---|---|---|---|---|
| Project hardware with 8 mm square spindle | |||||||
| 4 | 7 | - | 0 | 1 | 4 | 0 | A |
| Project hardware with 9 mm square spindle [F] | |||||||
| 4 | 7 | - | B | 1 | 4 | 0 | A |
Standards and Security Requirements
TREMOLO hardware according to DIN EN 1906 combines clear design language with high functionality. As certified security hardware according to DIN 18257 for doors with increased security requirements, as well as variants for fire and smoke protection doors, they meet CE and quality standards.
suitability for fire protection
Approved for use on fire and smoke protection doors
lever handle and door knob
The EN 1906 standard concerns the requirements and test methods for door hardware, especially door handles and levers. It classifies this hardware into different categories based on frequency of use, durability, security, and corrosion resistance. An important feature is the durability test, in which the door handles must withstand a high number of operations; in the highest user category, at least 200,000 operations are required. The products must also be able to offer specific properties such as maintenance-free operation.
