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UndernocircumstanceareMACvalvestobeusedinanyapplicationwherefailureofthevalvetooperateasintendedcouldjeopardizethesafetyoftheoperatororanyotherperson.在任何情况下MAC阀门用于任何应用程序,操作阀门故障可能危及操作者的安全或任何其他的人。Donotoperateoutsideofpressurerangelistedonvalvelabeloroutsideofthedesignatedtemperaturerange.Airsupplymustbeclean.Contaminationofvalvecanaffectproperoperation.Beforeattemptingtorepair,adjustorcleanvalve,consultcatalog,parts＆operationsheet,orfactoryforpropermaintenanceprocedures,lubricationandcleaningagents.Neverattempttorepairorperformothermaintenancewithairpressuretothevalve.Ifairlinelubricationisused,consultcatalog,parts＆operationsheet,orfactoryforrecommendedlubricants.