Italienische Pumpe / Ventil Graphitdichtungsschicht Stoßdämpfung
Ventildichtung aus Graphit
,Pumpengrafitdichtung
,Stoßabsorptionsmaterial für Graphitdichtung
Beschreibung der Produkte
| Artikel 1 | Standardwert |
| C-Konzentration | 99 Prozent |
| S-Konzentration | < 1000 ppm |
| Chlorkonzentration | < 45 ppm |
| Zugfestigkeit | 4.5MPa |
| Verdichtbarkeit | > 40% |
| Rückgewinnung | > 10% |
| Temperatur | - 200 Dollar.oC- 600.oC |
| Druck | 20 MPa |
| Terence von Thickness | -0,04 mm bis +0,04 mm |
| Terence der Dimension | Entsprechend Ihrer Dichtungsgröße |
| Terenz von Density | - 0,06 g/cm3 + 0,06 g/cm3 |
Grade getrennt:JB/T53392-1999
| Mechanische Daten | Berechtigtes Erzeugnis | Höchste Note | Höhere Klasse | |
| Dichte Toleranz G/cm3 |
<0.4 | ±0.10 | ±0.05 |
|
| ≥0.4 | ±0.07 | |||
| Zugfestigkeit MPa | ≥3.2 | ≥4.5 | ≥5.0 | |
| Komprimierungsquote in % | 35 bis 55 | |||
| Abwärtstrate in % | ≥9 | ≥11 | ≥12 | |
| Stressentlastungsrate in % | ≤10 | |||
| Asche in % | ≤6.0 | ≤3.0 | ≤1.0 | |
| Wärmeverlust bei Zündung in % | 450oC | ≤1.0 | ≤0.5 | |
| 600oC | ≤20 | ≤15 | ||
Schwefelgehalt |
≤1500 ppm | ≤1000 ppm | ≤600 ppm | |
Chloridgehalt |
≤100 ppm | ≤50 ppm | ≤20 ppm | |
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