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AS-HIDR Seal To Suit Hidrostal Pump Seals
Background Knowledge：
How to clarify mechanical seals
Mechanical seal chamfer temperature | t＞150℃ | High temperature mechanical seal |
| 80＜t≤150℃ | Medium mechanical seal | |
| -20≤t≤80℃ | Ordinary Mechanical seal | |
| t＜-20℃ | Low temperature mechanical seal |
Mechanical seal chamfer pressure | p＞15MPa | Super high pressure mechanical seal |
| 3＜p≤15MPa | High pressure mechanical seal | |
| 1＜p≤3MPa | Medium pressure mechanical seal | |
| Atmospheric pressure≤p≤1MPa | Low pressure mechanical seal | |
| Negative pressure | Vacuum mechanical seal |
Speed of mechanical seal rotating face | υ＞100m/s | Super high speed mechanical seal |
| 25≤υ≤100m/s | High speed mechanical seal | |
| υ＜25m/s | Ordinary speed mechanical seal |
| Mechanical seal shaft | d＞120mm | Big shaft mechanical seal |
| 25≤d≤120mm | Ordinary shaft mechanical seal | |
| d＜25mm | Small shaft mechanical seal |
Working Parameter | Reach all below requirements | Heavy mechanical seal |
| p＞3MPa； | ||
| t＜-20℃ or t＞150℃ | ||
| υ≥25m/s；d＞120mm | ||
| Reach all below requirements | Light mechanical seal | |
| p＜0.5MPa；0＜t＜80℃; | ||
| υ＜10m/s；d≤40mm | ||
| Others | Medium mechanical seal |
Working medio | Strong acid, strong alkali and other strong corrosive media | Strong corrosion resistant medium mechanical seal |
| Oil, water, organic solvents and other weakly corrosive media | Oil, water and other weakly corrosive media mechanical seal | |
| Abrasive medium | Abrasive medium mechanical seal |
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