Series A177 DESCRIPTION Solenoid valve 2 way normally closed in stainless steel AIS 316 with servo-assisted diaphragm. With explosion proof coil certified for hazardous area: ATEX II 2GDEx d IIC T6 or T5 or T4 Gb Ex tb IIIC T80°C or T95°C or T130°C Db IP66 Tamb -40°C ÷ +35°C(T6) or +50°C(T5) or +60°C(T4) CESI 03 ATEX 344 Extension No. 01/12 (other certifications e.g.EAC, INMETRO, CCOE etc. on request) VALVE CONSTRUCTION Body AISI 316 Seal material FPM, NBR EXPLOSION PROOF COIL CONSTRUCTION Housing Red colour alloy (painted with epoxy powder) Electrical connection 1/2” NPT (M20x1.5 on request) FEATURES Minimum allowable pressure 0.15bar Maximum allowable pressure PS 25bar Maximum fluid viscosity 25cSt (mm2/s) Ambient temperature: -40°C ÷ +35°C(T6), +50°C(T5), +60°C(T4) Mounting position with vertical coil above OPTIONS: Versions with slow closing diaphragm NOTE: The solenoid valve is suitable only with media that are NOT potentially explosive CODE Connection Orifice Coil Series Temp. range NBR=B EPDM=E FPM=V

Series A177 COILS  Series A6 DESCRIPTION Voltage tolerance AC +15% -10% DC ± 10% Protection class IP66 Continuous service ED100% Electrical connection SPARE PARTS LIST 1. Diaphragm assembly OVERALL DIMENSION Modification of technical and dimensional specification reserved