| Advantages |
| extremly short face-to-face |
| integrated rubber packing |
| good tigtness(rubber O-ring is used) |
| if no diferential pressures tightness will be assured through spring |
| spring avoids hydraulical shock |
|
| Installation |
| Into the horizontal pipeline or into the vertical pipeline if flow from downstairs |
|
| Application |
| Water, steam, gases according to the table as below. |
|
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