Pressure Gauge Nuovafima MGS18-100 These instruments are manufactured in conformity with the construction and safety S2 specifications oaccording to standard EN 837-1. They are designed for use in chemical and petrochemical processing industries as well as in conventional power plants and to measure gaseous or liquid media which do not have high viscosity or do not cristalize. They can resist to the most severe operating conditions created by the environment and the process medium. The liquid-filled version is recommended for use on power units, pumps, hydro-cleaning machines, presses, engine compressors, turbines, diesel engines, chemical, petrochemical and refrigerating plants and on machines and equipment where pulsating pressures or mechanical vibrations are apparent.