


Open and closed expansion sources

Caspian Full Automatic Hard

Caspian Boiler Spa boiler
Caspian Spa Boilers based on International Standard (B.S3) and ISIRI ۱۳۹۵ under the supervision of Yekta's Observers Engineering and Inspection Company on behalf of the Office

Fuel Fuel and Caspian Boiler
Caspian Fuel Save and Caspian Boiler

Caspian horizontal boiler
Caspian Boiler steam based on the International Standard (B.S۲۲۷۱۳۷) and ISIRI1 Under the supervision of the General Directorate of Standards and Industrial Research of Iran