STAF-SG

Balancing and control valve with flanged connections for heating and cooling systems. Shut-off and pre-setting functions; diagnosis using computerised instrument (TA-SCOPE, CMI) on self-sealing pressure tapping points. PN 25. Body centre distance ISO 5752 Series 1 and EN 558-1 Series 1 (the DN 20-50 versions can also use counterflanges for PN16), flange ISO 7005-2, EN 1092-2. Seat seal: disc with EPDM O-ring. Operating temperature range: -20÷120°C. EN-GJS-400-15 ductile iron valve body with epoxy paint surface treatment, other parts in AMETAL® (DZR alloy). Polyamide plastic digital handwheel with 40-80 setting positions (according to DN).