Suffix05：21)Stroke：ToDN50:20mm,FromDN65:40mmLeakagerate：0...0.02%ofkvsvalueLeakageratebypass：0.5...2%ofkvsvalueDN：50kvs：31m³/hMediumtemperature：-25...220°CValvecharacteristic：Throughport:equal-percentage,Bypass:linearRangeability：DN15...40:>50,DN50...150:>100Permissibleoperatingpressure：4000kPaMaterial,valvebody：CaststeelGP240GHMaterial,insideset：CrNisteelPNclass：PN40SKB..Δpmax：1000kPa)