Butterfly valves with actuators, various series an

SummaryControl the air.Suitable for the mediums like large flow and low differential pressure. It includes centerline wafer butterfly valve-economic and practical, whole lining type suiting for antiseptic liquids, three-eccentric center butterfly valve - good airproof effect and air butterfly valve -especially control the air. ElectricControlButterfly Valve Series and TypeThe name of productTypeNominal pressureValve body materialElectric regulating wafer centre line butterfly valveBELLAJWA 1 1/2''-40''PN1.0 PN1.6Cast ironCast steelCast stainless steelZAJWA 1 1/2''-40''Electric regulating flange lining butterfly valveBELLAJWF 2''-12''ZAJWF 5''-12''Electric regulating three eccentric centrehard seal butterfly valveBELLAJWSY 4''-80''ZAJWSY 4''-80''Electric regulating air regulating butterfly valveBELLAJWK 8''-80''ZAJWK8''-80''Supply Voltage: 220volt or 380voltElectronic Type: input signal 4-20mA, feedback signal 4-20mANon-electronic Type: the importation has a source switch the quantity signal, feedback signal 4-20mA.