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国标旋启式止回阀

产品型号:H44H/W
公称通径:DN50~800 mm
压力范围:PN1.6~16.0MPa
工作温度:-196℃~+550℃
主体材质:碳钢、不锈钢、合金钢
适用介质:水、蒸汽、油品、硝酸类、醋酸类
设计制造:GB12236
结构长度:GB12221
连接法兰:JB/T79-1994
试验与检验:JB/T9092-1999

国标旋启式止回阀用途及特点

      H44H/W旋启式止回阀严格按GB12236 标准设计制造,销轴与阀瓣连接采用内装式结构,性能优良,密封更可靠。产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。

国标旋启式止回阀主要性能规范

试验压力公称压力(MPa )
1.62.54.06.410.0
壳体试验2.43.86.09.615.0
密封试验1.82.84.47.111.0
阀体材料WCB(C)CF8(P)CF 8M (R)WC6WC9
工作温度≤ 425≤ 100≤ 100≤ 550≤ 550
适用介质水、蒸汽、油品硝酸类醋酸类水、蒸汽水、蒸汽


国标旋启式止回阀执行标准

设计制造:GB12236  
结构长度:GB12221    
连接法兰:JB/T79-1994   
试验与检验:JB/T9092-1999

国标旋启式止回阀主要连接与外形尺寸及重量

压力
公称通径(DN)主要连接尺寸 (mm)H44外形尺寸重量
(kg)
mmLDD1D2bfz-φdH
2.0Mpa

50203152120.592161.64-1916517
65216178139.510517.51.64-1917525
80241190152.512719.51.64-1919029
100292229190.5157241.68-1921550
125330254216186241.68-2224575
150356279241.521625.51.68-2226585
200495343298.5270291.68-22320150
25062240636232430.51.612-25365240
300698483432381321.612-25415350
350787533476413351.612-29460460
400864597540470371.616-29495580
500978698635584431.620-32590840
6001295813749.5692481.620-356501140
7001448927863.580071.51.628-35

5.0MPa
502671651279222.51.68-1919028
6529219014910525.51.68-2220533
8031821016812728 51.68-2222045
100356254200157321.68-2224570
125400279235186351.68-22275110
15044431827021636.51.612-22295150
20053338133027041.51.612.25330230
250622444387.5324481.616-29420390
300711521451381511.616-32480520
350838584514.5413541.620-32535710
400864648571.547057.51.620-35585890
5001016775686584.563.51.624-356851360
6001364914.5813692.5701.624-417852040
10.0MPa5029216512792266.48-1921032
65330190149100296.48-2223042
80356210168127326.48-2225560
100432273216157386.48-2529595
125508330266.5186456.48-29310120
150559355.529221647.56.412-29365220
200660419.5349270566.412-32420390
25078750843232463.56.416-35505630
30083855948938166.56.420-35545870
350889603.55274137106.420-38600940
40099168660347076.56.420-416501100