STAF

Description

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 16. Body centre distance ISO 5752 Series 1 and EN 558-1 Series 1, flange ISO 7005-2, EN 1092-2. Seat seal: disc with EPDM O-ring. DN 65÷150. Operating temperature: -10÷120°C. EN-GJL-250 (GG25) grey cast iron valve body with epoxy paint surface treatment, other parts in AMETAL® (DZR alloy). Aluminium digital handwheel with 120-160 setting positions (according to DN). Bronze disc and AMETAL® (DZR alloy) stem. DN 350-400 models available to order. Bronze models available. STAF-R: DN 65-150 ideal for potable water distribution.