进口直通式截止阀美国力沃阀门进口截止阀直通式截止阀J41HJ641H上海沪江阀门厂广州销售处型号：J641H 气动法兰直通式截止阀型号：J941 电动法兰链接直通截止阀型号：JY41W/Y 氧气专用直通截止阀型号：BJ45W 直流夹套保温截止阀型号：J6/41H/Y 水封截止阀(法兰/焊接)型号：J41H 法兰直通美标波纹管截止阀型号：J41T 法兰直通铜截止阀型号：J11W 内螺纹直通铜截止阀型号：J61Y 焊接直通不锈钢截止阀型号： 电动陶瓷直通式截止阀型号：J11W 内螺纹直通不锈钢截止阀型号：J41H/Y/W/F/N 带轴承大口径法兰直通截止阀型号： 美标日标法兰直通截止阀型号：J41H 法兰直通高压截止阀型号：J61Y 焊接直通式磅级高温高压电站截止阀型号： 法兰直通式中压锻钢截止阀型号： 焊接直通式电站截止阀型号： 真空隔离直通式截止阀型号：J41W 法兰直通不锈钢截止阀型号：J961H/Y 电动焊接直通式截止阀型号：GWJ41 法兰直通式国标波纹管截止阀型号：WJ/Z41H/Y 锻钢波纹管直通式阀门型号：J41B 法兰直通式氨用截止阀型号：J41F46 法兰直通聚全氟衬里截止阀型号：DJ41Y 法兰直通式低温截止阀型号：FJ41/FJL41/CJ41 法兰直通节流截止放空阀型号：J41N 法兰直通液化气截止阀型号：JY41W 法兰铜氧气专用直通式截止阀型号：UJ41H 法兰直通柱塞截止阀型号：J11F/J41F 工程塑料截止阀（法兰/内螺纹直通式）型号：J45F46 直流（通）式衬氟截止阀型号：Jy41W 法兰不锈钢氧气专用直通截止阀基本信息中文名称直通式截止阀特点不易磨损、擦伤结构启闭时阀瓣行程较小类型截止阀直通式截止阀,它依靠阀杆压力,使阀瓣密封面与阀座密封面紧密结合,阻止介质流通。在启闭过程中密封面之间摩擦力小,耐磨,开启高度小,制造工艺性能好等特点。它是工业部门中使用最广泛的一种阀门。与闸阀相比，截止阀的结构较简单，制造和维修都比较方便;密封面不易磨损、擦伤、密封性能较好，寿命较长;启闭时阀瓣行程较小，启闭时间较短。ANSI150LbNPS22-21345681012141618L203216241292356406495622698787914978H368387411455455540650800940120012701300D0200200250250300350450450500600600700Wt18304164861151782683605407601050GB1.6MPaDN506580100125150200250300350400L2302903103504004806007308509801100H410445480525545615780950112012501380D0200250250300350350400450500600600Wt243041569098170350502560750ANSI300LbNPS22-213456810121416L267292318356400444559622711762864H4004404655656157159301010123014501645D0200250300350400450500500500600600Wt2530355696120212330472715920GB2.5MPaDN506580100125150200250300350400L2302903103504004806007308509801100H410445480525545615780950112012501380D0240280320360400400450450500600600Wt243042589098170350502560750GB4.0MPaDN506580100125150200250300350400L2302903103504004806007308509801100H410445480525545690830975112013001425D0240280320360400450560640720800900Wt24304258901251734917059301234)