J41H美标法兰截止阀截止阀特点①产品的设计制造符合美国国家标准ANSIBI16.34，英国国家标准BS1873等国外先进标准要求。②阀体外型为桶形或流线形，造形美观，流道形状为直通式，流体阻力小。③关闭件（阀瓣）与阀座密封采用锥面密封，关闭力小，耐冲刷，密封可靠。④阀座可为更换式阀座，可任意组合与关闭件密封面材料的配对，以满足各种工况要求，延长使用寿命。采用标准名称截止阀设计标准BS1873JISB2071-2081结构长度ANSIB16.10，JISB2002配管法兰ANSIB16.5、JISB2212-2214对焊端尺寸ANSIB16.25检验与试验API598、JISB2003传动方式手动、电动、伞齿轮动试压规范压力等级或公称压力壳体试验密封试验高压液密封低压气密封150Lb、PN2.0MPa2.942.160.6300Lb、PN5.0MPa7.675.62600Lb、PN10.0MPa15.311.23JIS10K2.11.6JIS20K5.13.8主要零件材料及性能规范零件名称材料阀体阀盖阀瓣ASTMA216WCBASTMA351CFBASTMA351CF8MASTMA351CF3ASTMA351CF3M阀杆1Cr130Cr18NI90Cr17NI12Mo200Cr19NI1000Cr17NI14Mo2f6a304316304L316L上密封座1Cr13(f6a)本体阀瓣密封面13CrSTLSTL本体STLRSTL本体本体STL阀座13Cr13CrSTL填料柔性石墨复合环+YS450F≤200℃聚四氟乙烯或四氟乙烯编织填料＞200℃柔性石墨环+柔性石墨编织填料垫片柔性石墨复合垫（芯板：碳钢或不锈钢）不锈钢带/柔性石墨缠绕垫中法兰螺栓350CrMoASTMA193B7OCr18N19ASTMA193B8中法兰螺母45ASTMA1942HOCr18N19ASTMA1938阀杆螺母ZCuA110Fe3手轮可锻铸铁、球墨铸铁、铸钢适用工况适用介质水、蒸汽、油品等硝酸等腐蚀介质醋酸等腐蚀介质强氧化性介质尿素等腐蚀性介质适用温度℃-29-425-40-200（超出该温度范围、请在订货时注明）注：如法兰密封面采用凸面以外的型式，请在订货时注明。[J41、J441、J941]主要连接与外形尺寸及重量磅级公称通径(DN)主要连接尺寸)(mm)J41外形尺寸重量(kg)inmmLDD1D2bfz-φdH(全开)D0150Lb2.0MPa(10K)1/2151088960.535101.64-φ15241125-3/420117987043111.64-φ15241125-42512710879.551121.64-φ15242125-11/4321401178963131.64-φ15280160-11/24016512798.573151.64-φ15286160-250203152120.592161.64-φ193682001821/265216178139.5105181.64-φ1938720030380241190152.5127191.64-φ19411250414100292229190.5157241.68-φ19454250645125356254216186241.68-φ22455355866150406279241.5216261.68-φ225413551138200495343298.5270291.68-φ2265145011510250622406362321311.612-φ2580045017812300698483432381321.612-φ25123150026414350787533476.5413351.612-φ29145060037016400914597539.5470371.616-φ291645600500300Lb5.0MPa(20K)1/2151529566.535151.64-φ15241125-3/42017811782.543161.64-φ19241125-1252031248951181.64-φ19283160-11/43221613398.563191.64-φ19320200-11/240229156114.573211.64-φ22322200-25026716512792231.68-φ193992002521/265292190147105261.68-φ2243825030380318210168.5127291.68-φ22464280354100356254200157<tdbgcolor)