China • Yuanda Valve Group Co., Ltd.
Hundreds of Yuanda, Lean Change. Choosing Yuanda Means Reliable. The group attaches importance to the construction of corporate culture, and has three value concepts of "development concept", "people
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| Design | GB/T 8464 |
| Body | Hpb59-1 |
| o-ring | EPDM |
| bonnet | Hpb59-1 |
| Valve core | Hpb57-3 |
| Rubber plug | EPDM |
| DN | H | W |
| 15 | 72 | 36 |
| 20 | 73 | 36 |
| 25 | 75 | 36 |
Structure and principle
1. This product is implemented with reference to GB/T8464 standard.
2. This product is composed of body, cover, buoy and other parts. The gas flows in from the inlet and is discharged from the outlet.
Precautions for storage, installation and use
1. The valve is stored in a dry warehouse, and it is strictly forbidden to store it in the open air.
2. Long-term storage should be maintained regularly.
3. This product can be installed in any position of the pipeline and any pipeline, and the working conditions should be consistent with the requirements in the performance specification.
4. A pressure test should be carried out before installation, and installation can only be done if it meets the requirements.
5. Before installation, the inner cavity of the pipe and valve should be cleaned up.
6. After the product is installed, it should not be subjected to large external force.
7. The direction of the handle should be consistent with the direction of the groove of the square head of the valve stem.
this series of valves is suitable for working medium for water, non-corrosive liquid, air, saturated vapor etc.
