Tel：400-068-1949
Add： 02# Tongjiang west Road,JinGang Town,ZhangJiaGang City.JiangSu province.
Tel： +86-512-5810 3528
Fax： +86-512-5693 5782
Mobie： +86-139 13296696
Whantsapp:+8613913296696
Email：akman2006@akseal.com
Contactor：Reton Li
AK-680
John crane Type 680 replacement
Product detail
Structure Description:
45° Angled Edge Design
Bellows inner edge welded in 45° angle maximizes pressure resistancy
Flexible Graphite Secondary Seal
Excellent performance in high temperature application
Double-ply Available
Double-ply is available for High-Pressure Applications
Cartridge Design Available
Operating Limits:
Temperature: -75°C～+425°C
Pressure: Vacuum～ 2 MPa
vacuum～ 3.5 MPa (double ply)
Speed: ≤ 5000 rpm or 25 m/s
Material:
Bellows: AM350
End-Fittings: 4J42 ,SS316L
Insert/Primary Ring: Premium Carbon Grade; Tungsten Carbide, Silicon Carbide;
Static Seals: Fluorocarbon, EPR, PTFE- Encapsulated Fluorocarbon, Nitrile, Perfluoroelastomer
| AK-680 Dimentions(mm) | ||
| A | B | C |
| 18 | 32.0 | 27.5 |
| 20 | 33.3 | 27.5 |
| 22 | 36.0 | 27.5 |
| 24 | 38.1 | 30.0 |
| 25 | 39.0 | 30.0 |
| 28 | 42.0 | 32.5 |
| 30 | 44.0 | 32.5 |
| 32 | 46.0 | 32.5 |
| 33 | 47.0 | 32.5 |
| 35 | 49.2 | 32.5 |
| 38 | 52.4 | 34.0 |
| 40 | 55.6 | 34.0 |
| 43 | 58.7 | 34.0 |
| 45 | 58.7 | 34.0 |
| 48 | 61.9 | 34.0 |
| 50 | 65.1 | 34.5 |
| 53 | 68.3 | 34.5 |
| 55 | 71.0 | 34.5 |
| 60 | 74.6 | 39.5 |
| 65 | 84.1 | 39.5 |
| 70 | 87.3 | 45.0 |
| 75 | 95.3 | 45.0 |
| 80 | 98.4 | 44.5 |
| 85 | 104.8 | 44.5 |
| 90 | 108.0 | 49.5 |
| 95 | 114.3 | 49.5 |
| 100 | 120.7 | 49.5 |
| 105 | 131.7 | 48.3 |
| 110 | 138.1 | 48.3 |
| 115 | 144.5 | 48.3 |
| AK-680 Dimentions(mm) | ||
| A | B | C |
| 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 | 2.062 | 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 |
| 3.875 | 4.625 | 1.875 |
| 4.000 | 4.750 | 1.875 |
| 4.250 | 5.187 | 1.903 |
| 4.500 | 5.438 | 1.903 |
| 4.750 | 5.688 | 1.903 |
| 5.000 | 5.938 | 1.903 |
| 5.250 | 6.213 | 1.903 |