Structural Feature
1. Short structural length, only 1/4-1/8 of that of traditional flanged check valve;
2. Low volume, light weight, only 1/4-1/20 of those of traditional flanged check valve;
3. Quick valve disc closedown, low water hammer pressure;
4. Applicable for and easily installed for vertical or horizontal pipelines;
5. Smooth flow passageway and small fluid resistance;
6. Flexible action and good sealing performance;
7. Narrow valve travel and small closedown impact;
8. Integrated structure, simple and compact, in beautiful shape;
9. Long service life and good reliability.
| Applicable Standards | |
| Design | ASME B16.34, API6D |
| Fire Safe | API 607 |
| Anti static | API 608, API6D |
| Face to Face | ASME B16.10, API6D |
| Welding Ends | ASME B16.25 |
| Inspection and Test | API 598, API 6D |