ARI Butterfly Valve ZESA 22012 DN250 PN16, Disc Stainless Steel, Gearbox, EPDM

Maintenance-free soft-sealing intermediate flange butterfly valve with centering lugs, overall length (DIN 3202 T3, series K1) DIN EN 558-1, basic series 20, housing made of cast iron EN-JS1030 (short designation: EN-GJS-400-15, formerly GGG-40), with primer, EPDM sealing sleeve, from -10 degrees C to +130 degrees C, disc made of stainless steel 1.4581 for shut-off and throttling, double sealing of the valve shaft with profile ring and dew point barrier, centric disc bearing, fully insulated according to the Building Energy Act (GEG), CE certification according to the Pressure Equipment Directive for fluids of groups 1 and 2. With drilled shaft for optional temperature measurement with THEA (THErmal Display). DVGW registration for drinking water DW-6201BR0244 according to DIN EN 1074-1/-2 including disinfection test DVGW VP646 and DVGW W270 max. differential pressure: 16 bar Nominal pressure: PN 6 / 10 / 16 Nominal size: DN250 Actuation: Worm gear Weight: 24.4 kg Price group: G21 Article number: 220120250193