Reliable Supplier Mechanical Pump Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng
Reliable Supplier Mechanical Pump Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng Detail:
Description:
687 Mechanical Seal
For big compressors and industrial pumps
Replacing the mechanical seal of John Crane 680
Operational Conditions:
Temperature: -75℃ to +200℃
Pressure: ≤2.0MPa
Speed: ≤23m/s
Materials:
Stationary Ring:TC, Silicon Carbide
Rotary Ring:Carbon ,Silicon Carbide,TC
Secondary Seal:NBR,EPDM,Viton
Bellows:Steel
Spring and Metal Parts:Steel
Applications:
Oil, light hydrocarbon,
aromatic Hydrocarbon,
organic solvents,
week acids, ammonia
d(inch) | 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 |
Product detail pictures:
Related Product Guide:
Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for Reliable Supplier Mechanical Pump Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng, The product will supply to all over the world, such as: Portland, Liverpool, Peru, Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
By Dinah from Borussia Dortmund - 2017.04.18 16:45
The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
By Rosalind from luzern - 2018.06.18 19:26