Cast Steel Lift Check Valve（缺少产品图）
Technical Parameters
| Nominal Size |
2"~12"(DN50~DN300) |
|---|---|
| Pressure Rating |
Class150LB~2500LB |
| Body Material |
WCB, CF8, CF8M, CF3, CF3M, LCB, 2205 Etc. |
| Design |
BS1868, ASME B16.34 |
| Face To Face |
ASME B16.10 |
| End Flange |
ASME B16.5, ASME B16.47 |
| BW Ends |
ASME B16.25 |
| Inspection And Testing |
API 598 |
| Special |
NACE MR-01-75 |
Material List
| NO. | Part name | ASTM Material | ||
|---|---|---|---|---|
|
1 |
Body |
A216-WCB |
A217-WC6 |
A352-LCB |
|
2 |
Seat ring |
A216-WCB/Cr13 |
A217-WC6+HF |
A352-LCB+Cr13 |
|
3 |
Disc |
A216-WCB+Cr13 |
A217-WC6+HF |
A352-LCB+Cr13 |
|
4 |
Hinge |
304 |
304 |
304 |
|
5 |
Spring |
304 |
304 |
304 |
|
6 |
Bonnet |
A216-WCB |
A217-WC6 |
A352-LCB |
|
7 |
Gasket |
Spiral wound (Graphite+304) |
||
|
8 |
Bonnet gasket |
A193-B7 |
A193-B16 |
A320-L7 |
|
9 |
Bonnet stud |
A194 2H |
A194-4 |
A194-7 |
|
10 |
Eyebolt |
Carbon steel |
||
Note:
1. Spiral wound construction, tefon optional.
2. NPS 6°&Larger.
3. Disc and seat (Integral with body) may either be solid faoing material or a base material equal to or better than the body/bonnet material with facing as shown.