鍛鋼截止閥J11Y/J61Y其閥體與閥蓋用螺紋連接,全焊密封.客戶有特殊要求時也可采用透焊連接.第三種是自密封閥蓋,按這種設計形式設計的閥門,其閥體與閥蓋用螺紋連接,內壓自密環密封.

鍛鋼截止閥有三種閥蓋設計形式.*種是螺栓式閥蓋,按這種設計形式設計的閥門,其閥體與閥蓋用螺栓螺母連接,纏繞式墊片(316夾柔性石墨制造)密封.客戶有特殊要求時也可采用金屬環連接.第二種設計形式是焊接式閥蓋,按這種設計形式的閥門,其閥體與閥蓋用螺紋連接,全焊密封.客戶有特殊要求時也可采用透焊連接.第三種是自密封閥蓋,按這種設計形式設計的閥門,其閥體與閥蓋用螺紋連接,內壓自密環密封. 

序號       零件名稱          CStoASTM             AStoASTM                      SStoASTM

                                         A105                       F22                                  F304(L)                                        F316(L)

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

2             閥瓣                  A276420                A276304                         A276304(L)                                 A276316(L)

3             閥桿                  A182F6                  A182F304                      A182F304(L)                              A182F316(L)

4             墊片                  316夾柔性石墨                                              316夾PTFE

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

6             螺栓                  A193B7                  A193B16                        A193B8                                        A193B8M

7             銷釘                  A276420                                                         A276 304

8             填料壓套          A276410                                                         A182F304(L)                              A182F316(L)

9             活節螺栓          A193B7                  A193B16                        A193B8                                        A193B8M

10           填料壓板          A216WCB                                                       A351CF8

11           螺母                  A1942H                  A1944                             A1948                                          A1948M

12           閥桿螺母          A276410

13           鎖緊螺母          A1942H                  A1944                             A1948                                          A1948M

14           銘牌                  SS

15           手輪                  A197

16           填料                  柔性石墨                                                          PTFE

適用介質                         水、蒸汽、油品等 水、蒸汽、油品等         硝酸、醋酸等

適用溫度                         —29℃～425℃     —29℃～550℃              —29℃～200℃

注意:客戶需求的其他材質也可采用.密封面材料配對客戶內件代號決定

CS=碳鋼;AS=合金鋼;SS=不銹鋼;

鍛鋼截止閥的尺寸(MM)和重量(KG)

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

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

L                                                 79              79              92              111           120                 152                 172                 200

H(開)                                          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