锻钢截止阀有三种阀盖设计形式.*种是螺栓式阀盖,按这种设计形式设计的阀门,其阀体与阀盖用螺栓螺母连接,缠绕式垫片(316夹柔性石墨制造)密封.客户有特殊要求时也可采用金属环连接.第二种设计形式是焊接式阀盖,按这种设计形式的阀门,其阀体与阀盖用螺纹连接,全焊密封.客户有特殊要求时也可采用透焊连接.第三种是自密封阀盖,按这种设计形式设计的阀门,其阀体与阀盖用螺纹连接,内压自密环密封. 

序号       零件名称          CStoASTM             AStoASTM                      SStoASTM

                                         A105                       F22                                  F304(L)                                        F316(L)

1             阀体                  A105                       A182F22                         A182F304(L)                              A182F316(L)

2             阀瓣                  A276420                A276304                         A276304(L)                                 A276316(L)

3             阀杆                  A182F6                  A182F304                      A182F304(L)                              A182F316(L)

4             垫片                  316夹柔性石墨                                              316夹PTFE

5             阀盖                  A105                       A276f304                       A276F304(L)                              A276F316(L)

6             螺栓                  A193B7                  A193B16                        A193B8                                        A193B8M

7             销钉                  A276420                                                         A276 304

8             填料压套          A276410                                                         A182F304(L)                              A182F316(L)

9             活节螺栓          A193B7                  A193B16                        A193B8                                        A193B8M

10           填料压板          A216WCB                                                       A351CF8

11           螺母                  A1942H                  A1944                             A1948                                          A1948M

12           阀杆螺母          A276410

13           锁紧螺母          A1942H                  A1944                             A1948                                          A1948M

14           铭牌                  SS

15           手轮                  A197

16           填料                  柔性石墨                                                          PTFE

适用介质                         水、蒸汽、油品等 水、蒸汽、油品等         硝酸、醋酸等

适用温度                         —29℃～425℃     —29℃～550℃              —29℃～200℃

注意:客户需求的其他材质也可采用.密封面材料配对客户内件代号决定

CS=碳钢;AS=合金钢;SS=不锈钢;

锻钢截止阀的尺寸(MM)和重量(KG)

NPS             缩径                      3/8"           1/2"            3/4"           1"               11/4"              11/2"              2"                     

                     全径                                        3/8"            1/2"           3/4"           1"                    11/4"              11/2"              2"

L                                                 79              79              92              111           120                 152                 172                 200

H(开)                                          166           166            171           207           240                 258                 330                 355

W                                                100           100            100           125           160                 160                 180                 200

重量             螺栓式                  1.9             1.9             2.1             3.5             6.0                  7.5                  11.4                14.6

                     焊接式                  1.7             1.7             1.9             3.3             5.2                  6.8                  10.6                13.8