Fire rated WC lock

Fire rated Mortice WC lock using material of melting point above 800? as per provisions of DIN 18521-1 Class 3. Tested to EN 12209 for 2L cycles for modrate to heavy usage with 55mm backset, 20mm square forend with 78 mm centers and prepared for 8mm bathroom follower including strike plate in satin stainless steel as per EN 12209, CE marked