688 Metal Bellow Mechanical Seal untuk John Crane 609
Penerangan:
688 Meterai Mekanikal
Untuk pemampat besar dan pam industri
Menggantikan meterai mekanikal John Crane 609
Syarat Operasi:
Suhu: -75 ℃ hingga + 400 ℃
Tekanan: ≤2.0MPa
Kelajuan: ≤23m/s
Bahan:
Cincin Pegun：TC, Silicon Carbide
Cincin Putar: Karbon, Silikon Karbida, TC
Meterai Sekunder：NBR,EPDM,Viton
Belos：Keluli
Bahagian Spring dan Logam：Keluli
Permohonan:
Minyak, hidrokarbon ringan,
Hidrokarbon aromatik,
pelarut organik,
asid minggu,ammonia
| d(inci) | D3 | L1 |
| 1.000 | 41.28 | 38.95 |
| 1.125 | 44.45 | 39.87 |
| 1.250 | 47.63 | 40.66 |
| 1.375 | 50.8 | 40.66 |
| 1.500 | 53.98 | 40.66 |
| 1.625 | 57.15 | 40.66 |
| 1.750 | 60.33 | 41.48 |
| 1.875 | 63.5 | 41.48 |
| 2.000 | 66.68 | 42.26 |
| 2.125 | 69.85 | 42.26 |
| 2.250 | 73.03 | 43.86 |
| 2.375 | 76.2 | 43.86 |
| 2.500 | 82.55 | 44.65 |
| 2.625 | 85.73 | 45.44 |
| 2.750 | 88.9 | 45.44 |
| 2.875 | 93.65 | 47.83 |
| 3.000 | 96.82 | 47.83 |
| 3.125 | 101.6 | 47.83 |
| 3.250 | 104.78 | 47.83 |
| 3.375 | 107.95 | 47.83 |
| 3.500 | 111.13 | 47.83 |
| 3.625 | 114.3 | 47.83 |
| 3.750 | 117.48 | 47.83 |
| 3.875 | 120.65 | 47.83 |
| 4.000 | 123.83 | 47.83 |
