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Certificates

Certifications and approvals

Certificates

At Carl Wilhelm Cleff we hold all relevant certificates that modern development and production require. They make processes traceable, increase efficiency, product quality and schedule reliability, and reduce complaints. We therefore use certifications and standards not merely as a mandatory part of our daily work, but to achieve higher quality-oriented productivity.

Cleff

Approvals and standards

Rail

BN 918511, DIN EN 17460, UIC 651, EN 15152

Road traffic

DOT, CCC, ECE R43

Coating

DIN 17611, BN 918340, BN 918300

Welding

Welding processes to DIN EN 15085-2 – classification level CL1, scope D, S; DIN EN ISO 9606-2, DIN EN ISO 15614-n

Fire safety

DIN EN 45545, DIN EN 45545-2, NF F 16-101

Environment

DIN EN ISO 14001

Front windows

Pressure cycling resistance to UIC 566, impact-safe according to body swing test to NFPA/DIN

Insulated glass

Defined strength for structural bonding and stepped insulated glass

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Window, door or partition – customised, tested, delivered on schedule. We reply within one working day.