H44H-150LB|H44H-300LB德标止回阀产品说明：一、API美标止回阀主要用途止回阀选用于公称压力150LB～600LB,工作温度-29～550℃的石油、化工、火力电站等各种工况的管路上。适用介质为：水、油品、蒸汽等。二、API美标止回阀结构与特点、选材考究，符合国内、外相关标准，材料的全面质量高。2、密封副配对先进合理，阀瓣、阀座密封面采用铁基合金或司太立（Stellite）钴基硬质合金堆焊面成，耐磨、耐高温、耐腐蚀、抗擦伤性能好，使用寿命长。3、产品按美国国家标准ANSIB16.34设计制造。4、可采用各种配管法兰标准及法兰密封型式，满足各种工程需要及用户要求。5、阀体材料品种齐全，垫片可根据实际工况或用户要求合理选配，能适用于各种压力、温度及介质工况。可按用户要求设计制造不同结构形式和连接形式的止回阀，为各种设备配套使用。三、API美标止回阀执行标准名称止回阀设计标准APl6D．JlSB2074-2084结构长度ANSIB16.10,JISB2002配管法兰ANSIB16.5、JISB2212-2214对焊端尺寸ANSlB16.25检验与试APl6D或APl598,JlSB2003四、API美标止回阀试压规范压力等级或公称压力壳体试验(Mpa)密封试验(MPa)高压液密封低压气密封150Lb．PN2.0MPa2.942.160.6300Lb．PN5．OMPa7.675.62600Lb．PNlO.OMPa15.311.23JISlOK2.11.6JIS20K5.13.8五、API美标止回阀主要零件材料及性能规范零件名称材料阀体阀盖阀瓣摇杆ASTMA216WCBASTMA351CFBASTMA351CF8MASTMA351CF3ASTMA351CF3M销轴1Crl3OCrl8Ni9OCrl7Nil2M02OOCrl9Nil0OOCrl7Nil4M02F6a304316304L316L阀瓣密封面13Cr13CrSTL本体本体STL本体STLRSTL阀座13CrSTLSTL阀瓣螺母1Crl30Crl8Ni9OCrl7Nil2M0200Crl9NilOOOCrl7Ni4M02410304316304L316L防松销OCCr8Ni90Crl7Nil2M0200Crl9NilO00Crl7Nil4M02304316304L316L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350CrM0ASTMA193B7OCr18Ni9ASTMA193B8中法兰螺母45ASTMA1942HOCr18Ni9ASTMA1948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：1如法兰密封面采用凸面以外的型式。请在订货时注明。六、API美标止回阀主要外形和连接尺寸磅级公称通径(DN)主要连接尺寸(mm)H44外形尺寸重量(kg)inmmLDD1D2bfz-φdH150Lb(2.0Mpa)(10K)250203152120.592161.64-191651721/265216178139.510517.51.64-1917525380241190152.512719.51.64-19190294100292229190.5157241.68-19215505125330254216186241.68-22245756150356279241.521625.51.68-22265858200495343298.5270291.68-223201501025062240636232430.51.612-2536524012300698483432381321.612-2541535014350787533476413351.612-2946046016400864597540470371.616-2949558020500978698635584431.620-32590840246001295813749.5692481.620-356501140287001448927863.580071.51.628-35300Lb(5.0MPa)(20K)2502671651279222.51.68-191902821/26529219014910525.51.68-22205333803182101681272851.68-22220454100356254200157321.68-22245705125400279235186351.68-22275110615044431827021636.51.612-22295150820053338133027041.51.612.2533023010250622444387.5324481.616-2942039012300711521451381511.616-3248052014350838584514.5413541.620-3253571016400864648571.547057.51.620-35585890205001016775686584.563.51.624-356851360246001364914.5813692.5701.624-417852040600Lb(10.0MPa)25029216512792266.48-192103221/265330190149100296.48-2223042380356210168127326.48-22255604100432273216157386.48-25295955125508330266.5186456.48-293101206150559355.529221647.56.412-293652208200660419.5349270566.412-324203901025078750843232463.56.416-355056301230083855948938166.56.420-3554587014350889603.55274137106.420-386009401640099168660347076.56.420-416501100上海维旺迪阀门有限公司----【联系方式】联系人：黄经理销售热线：021-60513032图文传真：021-51686501上海维旺迪阀门：邮箱：viwandi@手机：13636430039黄经理上海维旺迪阀门有限公司：http:///products/07/上海维旺迪阀门：http:///product/zihui/)