概述；DSZ41H/DSZ44H水封闸阀水封闸阀结构特点及用途1、水封闸阀的阀盖填料室具有水密封结构，当接口通入压力O.6～1MPa的水时，可使系统与大气隔离，保证系统具有良好的气密封。2、DS/Z型系列水封闸阀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、阀门连接方式有法兰和焊接两种，驱动方式为手动和电动。6、DS系列水封闸阀适用于公称压力≤1O.OMPa，工作温度≤425℃，工作介质为水、蒸汽、油品和非腐蚀性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。·水封闸阀主要性能规范Chiefpropertyandspecification试验压力Testpressure公称压力PN/MPa1.01.62.54.O6.41O.0壳体强度试验ShellStrengthtest1.52.43.86.O9.615.0密封试验Sealtest1.11.82.84.47.011.O上密封试验Backsealtest1.11.82.84.47.011.0气密封试验Leak-proofnesstest0.5～O.7·水封闸阀使用范围Scopeofuse产品类别Productclassification适用温度/℃Workingtemperature适用介质Suitablemedium碳钢型(C)Carbonsteel≤425水、蒸汽、油品、非腐蚀性气体Water，Stem，oilgoodsnon-corrosivegas合金钢(I)Alloysteel≤540·水封闸阀主要零件材料MaterialforMainParts产品类型Producttype零件名称Partname阀体、阀盖、支架B0dy，BOnnet，Yoke阀杆Valverod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)CarbonsteelWCB251Crl3或2Crl3Crl3型不锈钢或硬质合金Sainlesssteelorcarbidealloy不锈钢Stainlesssteel铝青铜Albronze柔性石墨F18xiblegraphite合金钢(I)AlloysteelWC6Cr5M0138CrMoAlA20CrlM01VA钴基合金硬质合金Carbidealloy·水封闸阀主要尺寸/mmMaindimensi***DS/Z64H-16、25DS/Z64Y-16I、25I水封闸阀公称通径DN/mmNominaldiameterLαHDOPNl.6/MPaPN2.5/MPaDD1DD15025037o30'3342505850644g6527037o30'439250756582678028037o30'4953009179957710030037o30'57535011O9711710112532537o30'58735013612114412615035037o30'60735016314617215820040037o30'74040022320222320225045037o30'86340027825427825430050037o30'99040033030533030535055037o30'113750038235238235240060037o30'152350043239943239g45065037o30'161860048545148545150070037o30'165760053550153549960080037o30'1746700636601636599注：PN1.6(16)阀门允许作为PN1.0(10)压力选用DS/Z64H-40、64、100DS/Z64Y-40I、64I、100I水封闸阀公称通径DN/mmNominaldiameterLDαPN4.O/MPaPN6.4/MPaPNlO.0/MPaD1HD0D1HDOD1HD0502506437o30'493453005035030049350300652708337o30'674413006644730064447300802809637o30'79495350774993507549935010030011737o30'101575350995824008758240012532514437o30'12658740012959040012559040015035017237o30'15260740015061145014561145020040022337o30'20074045019874555019074755025045027837o30'25286355024686765023686965030050033037o30'30210086502941008750282101375035055038237o30'35011427503421148800334114885040065043237o30'397152785038715319003771533950)