| Material: | Cast Iron |
|---|---|
| Connection Form: | Wafer |
| Structure: | Butterfly |
| Function: | Nrvr Silence |
| Application: | Industrial Usage, Water Industrial Usage |
| Size: | Dn50-900 |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Features:
1. Small in size, light in weight, compact in structure,easy in maintenance.
2. Two torsion springs are used excreting on each of the pair valve plates,which close the plates quickly and automatically.
3. The quick-close action prevents the medium from flowing back and eliminates water hammer effect.
4. Short body structure length and good rigidity.
5. This valve is tightly sealed, without leakage under the pressure water test.
6. Safe and reliable in operation,high interference-resistance.
Performance:
|
Nominal pressue (MPa) |
1.0 |
1.6 |
|
|
Nominal diameter(mm) |
50-600 |
50-600 |
|
|
Test pressure |
Shell |
1.5 |
2.4 |
|
(MPa) |
Seal |
1.1 |
1.76 |
|
Applicable temperature |
150 |
||
|
Applicable medium |
Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, |
||
|
Design & Manufacture |
Flange Connection |
Face to Face Dimension |
Test & Inspection |
|
API 594 |
DIN PN10/16/25 |
API594 |
API 598 |
|
No. |
Part Name |
Material |
|
1 |
Body |
Cast Iron/Ductile Iron |
|
2 |
Plate |
Ductile iron+Ni,CF8,CF8M,Bronze |
|
3 |
Spring |
Stainless steel |
|
4 |
Hinge Pin |
Stainless steel |
|
5 |
Plug |
Carbon steel |
|
6 |
Body Bearing |
PTFE |
|
7 |
Spring Bearing |
PTFE |
|
8 |
Stop pin |
Stainless steel |
|
9 |
Eye Bolt |
Carbon steel |
|
10 |
Body seat |
NBR,EPDM,VITON,NEOPRENE |
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}