687 Mehansko tesnilo s kovinskim mehom za John Crane 680
Opis:
687 Mehansko tesnilo
Za velike kompresorje in industrijske črpalke
Zamenjava mehanskega tesnila John Crane 680
Pogoji delovanja:
Temperatura: -75 ℃ do +200 ℃
Tlak: ≤2.0MPa
Hitrost: ≤23m/s
Materiali:
Stacionarni obroč: TC, silicijev karbid
Rotacijski obroč: ogljik, silicijev karbid, TC
Sekundarno tesnilo: NBR, EPDM, Viton
Meh: Jeklo
Vzmetni in kovinski deli: jeklo
Aplikacije:
Olje, lahki ogljikovodik,
aromatski ogljikovodik,
organska topila,
tedenske kisline,amoniak
| d (palec) | D3 | L1 |
| 0,750 | 1.312 | 1.250 |
| 0,875 | 1,437 | 1.250 |
| 0,937 | 1.500 | 1.250 |
| 1.000 | 1,562 | 1.250 |
| 1.125 | 1,687 | 1.250 |
| 1.250 | 1,812 | 1.312 |
| 1,375 | 1,937 | 1,437 |
| 1.500 | 2,063 | 1,437 |
| 1,625 | 2.187 | 1,437 |
| 1.750 | 2.312 | 1,437 |
| 1,875 | 2,437 | 1.500 |
| 2.000 | 2,562 | 1.500 |
| 2.125 | 2,687 | 1.500 |
| 2.250 | 2,812 | 1,562 |
| 2,375 | 2,937 | 1,562 |
| 2.500 | 3,187 | 1,562 |
| 2,625 | 3.312 | 1,625 |
| 2.750 | 3,437 | 1,625 |
| 2,875 | 3,625 | 1,687 |
| 3.000 | 3.750 | 1,687 |
| 3.125 | 3,875 | 1.750 |
| 3.250 | 4.000 | 1.750 |
| 3,375 | 4.125 | 1.750 |
| 3.500 | 4.250 | 1,875 |
| 3,625 | 4,375 | 1,875 |
| 3.750 | 4.500 | 1,875 |
| 3.880 | 4,625 | 1,875 |
| 4.000 | 4.750 | 1,875 |
| d (mm) | D3 | L1 |
| 18 | 32 | 27.7 |
| 20 | 33.3 | 27.7 |
| 22 | 36 | 27.7 |
| 24 | 38.1 | 30.2 |
| 25 | 39 | 30.2 |
| 28 | 42 | 32.7 |
| 30 | 44 | 32.7 |
| 32 | 46 | 32.7 |
| 33 | 47 | 32.7 |
| 35 | 49.2 | 32.7 |
| 38 | 52.4 | 34.2 |
| 40 | 55.6 | 34.2 |
| 43 | 58.7 | 34.2 |
| 45 | 58.7 | 34.2 |
| 48 | 61.9 | 34.2 |
| 50 | 65.1 | 34.7 |
| 53 | 68.3 | 34.7 |
| 55 | 71 | 34.7 |
| 60 | 74.6 | 39.7 |
| 65 | 84.1 | 39.7 |
| 70 | 87.3 | 45.2 |
| 75 | 95.3 | 45.2 |
| 80 | 98.4 | 44.7 |
| 85 | 104.8 | 44.7 |
| 90 | 108 | 49.7 |
| 95 | 114.3 | 49.7 |
