节能型焦炉专用球阀该系列球阀特别适用于各焦化厂焦炉氨水、喷射循环系统高低压转换时使用。一、阀门的连接尺寸与原三通球阀相同，更换方便。二、***的增强聚四氟乙烯封圈，其耐磨强度大大提高，显著提高密封圈的使用寿命。三、独特的内部结构，不仅大大降低了生产成本，而且使加工与维修更加简单化。四、带倒密封结构的下装式阀杆，不仅防止了阀杆脱出，而且阀杆部位的密封更加可靠。五、外型结构紧凑，独特三块式设计使阀门外观更***。Thevalveseriesareespeciallyapplicableforthehigh/low-temperatureconversioncourseinsuchfieldsastheammoniawaterincokeovensortheinjectioncirculatingsystemincokeplants.1.Theconnectiondimensionofthevalveisidenticaltothatoftheabove-mentioned3-wayballvalveforconvenientreplacement.2.Thespecially-designedsealringmadefromstrongpolytetrafluoroethylenewithmuchgreaterabrasionstrengthcould***iouslyenhancetheservicelifeofthering.3.Thespecialinteriorstructureappliednotonlyreducestheproductioncostbutalsosimplifiestheprocessingandmaintenancework.4.Thelower-loadingStemwithbackwardsealingc***tructionnotonlypreventsthehandleformbacking-outbutalsoensuresthereliabilityofthescalingpartofthehandle.5.Withcompactstructureinconfiguration,thespecially-designed3-partfeaturemakesthevalvemuchmoreperfect.产品型号Producttype零件名称Accessoryname零件材料AccessorymaterialQ44M-40DN25Q41F-40DN25阀体、阀盖body,BonnetWCB球体Ball1Cr18Ni9Ti阀杆Stem2Cr13密封圈Sealingring增强聚四氟乙烯RPTFE填料StuffingV型聚四氟乙烯V-shapedPTFE主要连接尺寸公称压力PN(MPa)Nominalpressure试验压力(Mpa)壳体Shell高压液密封闭High-pressureliquidsealing低压气密封Low-pressurehermeticsealing4.06.04.40.6适用温度Applicabletemperture≤150℃氨水等Liquidammonia,etc.)