Product description
ARI-Armaturen wafer type butterfly valve ZESA 22.012 DN(20)25, PN16, EN-JS1030, notch lever, NBRMaintenance-free soft-sealing intermediate flange valve with centering eyes, housing made of ductile iron 5.3106 (EN-JS1030), NBR sealing sleeve, SINGLE-SHAFT design with stainless steel disc 1.4581, double sealing of the valve shaft with profile ring and dew point barrier, double shaft bearing, centric disc bearing, interchangeable disc and sleeve, blow-out protection according to DIN EN 593 in the form of a shaft securing disc, positive connection of disc and shaft using polygons, fully isolatable according to the Building Energy Act - GEG, with square shaft end, position indicator according to DIN EN 593 and head flange according to ISO 5211. With drilled shaft for optional temperature measurement with THEA (Thermo-Indicator). max. differential pressure: 16 bar Length according to DIN EN 558-1, basic series 20 Medium temperature: -10 - + 80°C Nominal pressure: PN6 / 10 / 16 Nominal size: DN(20)25 Actuation: Detent lever Weight: 1.8 kg Article code: 2201200252911