WENZHOU BAITE VALVE PIPE CO.,LTD |
|
1.1 Steel gate valve should be produced in according with drawings and dimensions(table 1.1)belows:
Table 1.1
1.2 Steel gate valve should be produced form metarials (table 1.2) below:
NO | Part name | Material |
1 | body | carbon steel 25 |
2 | disc | 2Cr13 |
3 | stem | 2Cr13 |
4 | Bonet gasket | flexibel graphite+metal sheet |
5 | Bonet | carbon steel 25 |
6 | bonnet stud nut | carbon steel 20 |
7 | bonnet stud | carbon steel 20 |
8 | packing | flexible graphite |
9 | gland | flexible graphite |
10 | eyebolt nut | carbon steel 20 |
11 | eyebolt pin | carbon steel 20 |
12 | handwheel | malleable iron |
13 | back nut | carbon steel 20 |
1.3 steel gate valve should correspond to the parameters(table 1.3) belows.