主要特点及用途Chieffeaturesandusages1、结构紧凑、设计合理，阀门刚性好，通道流畅，流阻系数小。2、密封面采用不锈钢和硬质合金，使用寿命长3、采用柔性石墨填料、密封可靠、操作轻便灵活4、驱动方式分手动、电动、气动、齿轮传功，结构型式：弹性楔式单闸板、刚性楔式单闸板和双闸板型式。5、广泛适用于石油化工，火力发电厂等油品、水蒸汽管路上作接通或截断管路中介质的启闭装置。1、Compactstructure,neasonnabledesign,goodrigidity,smoothchannel,smallcoefficientofflowresistance.2、Thesealingfaceusesstainlesssteelandcarbidealloyandisoflongduration3、Usingflexiblegraphitefillings,reliablesealing,lightandnimbleoperation4、Fourdrivingways,manually,electrically,air-ioeratingandgear-driving,structuretype,elasticwedgetypewithsinglegateboard,rightrigi-dwedgetypewithsingleordual-gateboard.5、Widelyusedasthedeviceofopenorclosetoconnectorcutoffthemediuminsideofthepioelineofwater,steamoroilgoodsinsteampowerplants主要性能规范Chiefpropertyandspecification试验压力Testpressure公称压力PN(MPa)Nominalpressure实验压力(MPa)Testpressure壳体Shell密封(液)Seal密封(气)Seal上密封Backseal1.62.41.80.61.82.53.82.80.62.84.06.04.40.64.46.49.67.00.67.010.015.011.00.611.016.024.018.00.618.0适用范围Suitablescope壳体材料Shellmaterial适用介质Applicablemedium适用温度(℃)Applicabletemperature碳素钢(C型)Carburizingsteel水、蒸汽、油品Water,steam,oilgoods≤425硝酸类Nitricacid≤200醋酸类Aceticacid≤200水、蒸汽、油品Water,steam,oilgoods≤550主要零件材料Materialformainparts阀体、阀盖Body,bonnet阀板、阀座Wedgedisc,seatrign阀杆Stem阀杆螺母Yokenut填料Packing手轮Handwheel碳素钢Carburizingsteel优质碳钢+硬质合金或不锈钢High-gradecarbonsteel+carbidealloyorstainleel铬不锈钢Cr.stainlesssteel铝青铜AIbronze石墨石棉盘根Graphite,asbestoscoils可锻铸铁Foraeablecast-iron铬镍钛钢Cr.Ni.Tisteel不锈钢、不锈钢+硬质合金Stainlesssteelor+carbidealloy铬镍钛不锈钢Cr.Ni.Tistainlessstee铝青铜AIbronze浸聚四氟乙Dippingpolyterafluo-roethylene可锻铸铁Foraeablecast-iron铬镍钼钛钢Cr.Ni.Mo.Tisteel不锈钢、不锈钢+硬质合金Stainlesssteelor+carbidealloy铬镍钼钛不锈钢Cr.Ni.Mo.Tistainlessstee铝青铜AIbronze烯石棉盘根Asbestoscoil可锻铸铁Foraeablecast-iron铬钼钢Cr.Mostreel合金钢+硬质合金Alloysteel+carbidealloy铬钼铝钢Cr.Mo.Aisteel铝青铜AIbronze柔性石墨Flexibiegraphite可锻铸铁Foraeablecast-iron主要尺寸及重量Maindimensionsandweight公称通径Nominaldiameter主要外形尺寸和连接尺寸(mm)Dimensions电动装置Electricdewice重量(kg)WeightLDD1D2bfz-dHZ940H-16CZ940Y-16PZ940Y-16RZ940W-16PZ940W-16RZ940Y-16IZ941YZ941Z941Z941Z941Z94140200145110851634-18595DZW1556502501601251001634-18653DZW2059652651801451201834-18665DZW2062802801951601352038-18725DZW20741003002151801552038-18787DZW20921503502802402102438-23955DZW3016120040033529526526312-231105DZW3021925045040535532030312-251343DZW4537630050046041037530412-251516DZW6048435055052047043534416-251678DZW6069540060058052548536416-301849DZW9097745065064058554540420-301937DZW901033500700705650608444