主要结构特点及用途Chiefstrucurefeaturesandusages1、本产品的阀盖填料室具有水密封结构，当接口通人压力为061MP的水时，可使系统与大气隔离，保证系统具有良好的气密性2、S/Z型系列采用双闸板双向弹性密封、启闭灵活、迅速、密封可靠。3、产品结构简单、紧凑合理、检修方便、使用寿命长4、在管路上作启闭装置用，必须处于全开或全闭状态，不得用于调节流量5、阀们连接方式有法兰和焊接两种，驱动方式为手动和电动6、S系列水封阀门适用于公称压力100MPa，工作温度425℃，工作介质为水、蒸汽、油品和非腐蚀气体的管路上作启闭装置用，尤其适用于火电厂汽机真空冷凝系统1.Thechamberofpackingofthevalve'sbonnetisofawater-sealedstructure,which,whenthewaterof0.6-1MPapressuregoesintothemouthpiec,canmakethesystemisolatedfromairtoensurethesystemwithagoodleakproofness2.ModelS/Zseriesusedual-gatedual-directionelasticingflesibleandfasttoopenandclose,reliablesesling3.Simple,compactandreasoablestructur,easytooverhaulandlongduration4.Whentobeusedastheopen&closedeviceonpipelines,itmustbeinfully-openedorfully-closedstateandunallowedtobeusedforflowadjustment5.Twowaysofconnection:byflangeandwelding,twodrivingways:manuallyandelectrically6.Suitabletoactastheopen&closedeviceforthepipelineswiththeworkingmediumofwater,steam,oilgoodsandnon-corrosivegas,especiallyforthevacuumcondensationsystemofthesteamtufbineinsteampowerpalnts.主要性能规范Chiefpropertyandspecification公称压力PN(MPa)Nominalpressure公称压力PN(MPa)Nominalpressure壳体强度试验(MPa)Shellstrengthtest1.01.62.54.06.410.0密封试验(MPa)Sealtest1.52.43.86.09.615.0上密封试验(MPa)Backsealtest1.11.82.84.47.011.0气密封试验Leak-proofnesstest1.11.82.84.47.011.0使用范围Applicable产品类型Produectclassification适用温度℃Workingremperature适用介质Suitablemedium碳钢型(C)Carbonsteel≤425水、蒸汽、油品、非腐蚀性气体eam.oiln-corrosivegas合金型(I)Alloysteel≤540主要零件材料Materialformainparts产品类型Producttype零件名称Partname阀体、阀盖、支架nnet.yoke阀杆stem闸板、阀瓣、密封面Walgegatediscsealface阀座密封面Seatringsealface阀杆螺母Yokenut填料Packing碳钢型(C)CarbonsteelWCB1Cr13或2Cr13Cr13型不锈钢或硬质合金Sainlesssteelorcarbidealloy不锈钢Stainlesssteel铝青铜Albronze柔性石墨Flexiblegraphite合金钢(I)AlloysteelWCBCr5Mol20Cr1Mo1VA钴基合金Co-basedalloy硬质合金Carbidealloy铝青铜Albronze柔性石墨Flexiblegraphite主要尺寸及重量Maindimensi***andweightDS/Z64H-16C、25公称通径DN(mm)NominaldiameterLαHDoPN1.6(MPa)PN2.5(MPa)DD1重量(kg)WeightDD1重量(kg)Weight5025037°30′3342505850196449236527037°30′4392507565328267358028037°30′49530091793495773710030037°30′57535011097441171014912532537°30′587350136121751441267815035037°30′6073501631468217215810520040037°30′74040022320215822320216025045037°30′86340027825418427825418830050037°30′99040033030524533030524935055037°30′113750038235249238235249740060037°30′152350043239958843239959245065037°30′161860048545168348545168850070037°30′165760053550184653549985360080037°30′174670063660110136365991020注：PN1.6(16)阀门允许作为PN1.0(10)压力级选用Annotation:PN1.6(16)valveispermitbeusedasPN1.0(10).主要尺寸及重量Maindimensi***andweight公称通径NominaldiameterLDαPN4.0(MPa)PN6.4(MPa)PN10.0(MPa)D1HD0重量(kg)WeightD1HD0重量(kg)WeightD1HD0重量(kg)Weight502506437°30′493453003050350300344935030037652708337°30′674413003866447300416444730044802809637°30′79495350427749935045754993504710030011737°30′101575350529958240055975824005712532514437°30′12658740080129590400831255904008715035017237°30′15260740010715061145011014561145011320040022337°30′20074045016419874555016919074755017225045027837°30′25286355019124686765019523686965019830050033037°30′30210086502541941008750260282101375026535055038237°30′35011427504993421148800504334114885050840065043237°30′39715278505983871531900604)