不锈钢法兰国标闸阀Z41W-16/25P 日标暗杆304闸阀316L美标阀门

 















闸阀优点
1、流体阻力小
2、开闭所需外力较小
3、介质的流向不受限制
4、全开时，密封面受工作介质的冲蚀比截止阀小
5、体形比较简单，铸造工艺性较好
3.2 闸阀缺点
1、外形尺寸和开启高度都较大。安装所需空间较大
2、开闭过程中，密封面间有相对摩擦，容易引起擦伤现象
3、闸阀一般都有两个密封面，给加工、研磨和维修增加一些困难 不锈钢法兰闸阀产品规范Product Specification  

公称压力PN（MPa）试验压力（MPa）壳体密封（液）密封（气）上密封1.62.41.80.61.82.53.82.82.84.06.04.44.46.49.67.07.010.015.011.011.01624.018.0  不锈钢法兰闸阀适用范围Applicable Scope  壳体材料适用介质适用温度碳素钢（C型）水，蒸气，油品425铬镍钛（P型）硝酸类200铬镍钼钛钢（R型）醋酸类200铬镍钼（I型）水，蒸气，油品550 不锈钢法兰闸阀主要零部件材料Main Part Material  阀门，阀盖闸板，阀座阀杆阀杆螺母填料手轮不锈钢优质碳钢+硬质合金或不锈钢铬不锈钢铝青铜石墨石棉盘根可锻铸铁球墨铸铁不锈钢不锈钢，不锈钢+硬质合金铬镍钛不锈钢衬聚四氟乙烯铬镍钼钛钢不锈钢，不锈钢+硬质合金铬镍钛不锈钢石棉盘根铬镍钼合金钢+硬质合金铬钼铝钢材318（抗硫系列）柔性石墨填充四氟（抗硫系列）  

 不锈钢法兰闸阀主要外形和连接尺寸Main External And Connection Dimension                                                  单位Unit：mm  产品型号Type公称通径DNPN1.6MPaWT（kg）LDD1D2bfz-ΦdHH1DoZ40H-16Z40Y-16Z40Y-16PZ40Y-16RZ40W-16PZ40W-16RZ40Y-16IZ41H-16Z41Y-16Z41Y-16PZ41Y-16RZ41W-16PZ41W-16RZ41Y-16I 151309565451424-Ф1417524020052015010575551424-Ф141802842006.52516011585651424-Ф14210303200932180135100781624-Ф182103212001240200145110851634-Ф1835035220026.5502501601251001634-Ф1835843824029652651801451201834-Ф1837545024033802801951601352038-Ф18433528280451003002151801552038-Ф18502620320631253252452101852238-Ф186127533601081503502802402102438-Ф2367684736013420040033529526526312-Ф23820103940019225045040535532030312-Ф25969124545027330050046041037530412-Ф251142147256037935055052047043534416-Ф251280145064059040060058052548536416-Ф301452188764085045065064058554540420-Ф301541201172090750070070565060844420-Ф341676218172095860080084077071848520-Ф4118742346800111270090091084078850524-Ф362000255090017758001000102595089852524-Ф41280035601000257590011001125105099854628-Ф4134004005120037301000120012551170110056628-Ф423800445615005400 不锈钢法兰闸阀主要外形和连接尺寸Main External And Connection Dimension                                                  单位Unit：mm  产品型号Type公称通径DNPN2.5MPaWT（kg）LDD1D2bfz-ΦdHH1DoZ40H-25Z40Y-25Z40Y-25PZ40Y-25RZ40W-25PZ40W-25RZ40Y-25IZ41H-25Z41Y-25Z41Y-25PZ41Y-25RZ41W-25PZ41W-25RZ41Y-25I 151309565451624-Ф141752401205.52015010575551624-Ф1418028414072516011585651624-Ф142103031601132180135100781824-Ф182103211801440200145110851834-Ф1835035220030502501601251002034-Ф1835843824034652651801451202238-Ф1837345024036802801951601352238-Ф18435528280501003002301901602438-Ф23500620320691253252702201882838-Ф256147533601161503503002502183038-Ф2567484736014120040036031027834312-Ф25818103940019225045042537033236312-Ф30969124545020730050048543039040416-Ф301142147256040035055055049044844416-Ф341280145064063140060061055050548416-Ф341452188764090045065066060055550420-Ф3415412011720101350070073066061052420-Ф4116762181720116660080084077071856520-Ф4118742346800125870090095587581560524-Ф4821003185-19208001000107099093064524-Ф4829003580-2900900110011851090102566628-Ф4835004115-40001000120013201210114068628-Ф5839004580-5840