ARI-Armaturen volume flow limiter ASTRA® D 22021 DN350, PN16, EN-JS1030

ARI-Armaturen volume flow limiter ASTRA® D 22021 DN350, PN16, EN-JS1030
Maintenance-free dynamically regulating volume flow limiter in intermediate flange design. Housing made of spheroidal graphite cast iron EN JS1030 with basic primer. Maintenance-free, resistant to contamination differential pressure measurement system with integrated pressure measurement connections for connecting pressure measurement computers. Control range inserts: 13-600kPa. Control inserts made of 1.4301, spring made of 1.4401, membrane made of HNBR, O-rings made of EPDM, fully insulatable according to the Building Energy Act - GEG, PCB-free. Length: 170mm. Medium temperature: -10 - +110°C. Nominal pressure: PN16. Nominal size: DN350. Weight: 44.2kg. Volume flow range: 3.8-855 m³/h. Article code: 220210350G1.