Appliedinautomaticcontrollingsystem:gradenirrigation,ICcardwatermeter,engineeringwater-controllingsystem.Usingtheinside3cavitiestoreducepressure,resistanceandconcussionagainstvalves.Itcanelongatethelifespanofvalves,andshortenthepuleswidthunderthehighestandlowestpressuretoopenthevalve.itsspecifiself-purifyingfunctionoffersasuperioranti-jamperformance. technicalperformance:ratedvoltage:DC4.5VAC6-220Vcoilresistance:17.5Ω±0.5Ω(20°C)switchmode:directcurrentpulsealternatingcurrentcoutinuouspulsewidth:25msworkpressure:0.02Mpa-0.8Mpamediumtemperaturer:1°C-75°Crespondingtime:open≤0.15sclose≤0.5sflowcharacter:0.02Mpa≥3L/min0.1Mpa≥16L/min0.8Mpa≥40L/minworkinglife:≥1,000,000timesValvetubesize:inletandoutletdia.,1/2inch,surfacechromecoatedthediametercanbecustomized