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Mechanical Seal TB687 replace John Crane 680
Mechanical Seal TB687 replace John Crane 680
| Categories | Metal Bellow Mechanical Seal |
|---|---|
| Brand | TOPBON Mechanical Seal Manufacturer |
| Model | TB687 |
| Temperature | -75℃-200℃ |
| Speed | ≦23m/s |
| Pressure | ≦2.1MPA |
| Stationary Seat | TBG9 |
| Rotary Ring Material | CAR/SIC/TC |
| Stationary Ring Material | CER/SIC/TC |
| O-Ring Material | VIT, Encasulated Ring, EPDM |
| Spring & Metal Parts | SUS304/SUS316 |
| Application | Clean Water，Sewage Water，Oil |
| Update Time | May 10,2024 |
Detail Information
Mechanical seal TB687
Replacement to:
John Crane 680
Product details
SIZE
|
Size/ Metric |
d | D3 | L1 | INCH | d | D3 |
L1
|
|
|
18
|
18 | 32.00 | 27.7 | 0.750 | 0.750 | 1.312 |
1.250
|
|
|
20
|
20 | 33.30 | 27.7 | 0.875 | 0.875 | 1.437 |
1.250
|
|
|
22
|
22 | 36.00 | 27.7 | 0.937 | 0.937 | 1.500 |
1.250
|
|
|
24
|
24 | 38.10 | 30.2 | 1.000 | 1.000 | 1.562 |
1.250
|
|
|
25
|
25 | 39.00 | 30.2 | 1.125 | 1.125 | 1.687 |
1.250
|
|
|
28
|
28 | 42.00 | 32.7 | 1.250 | 1.250 | 1.812 |
1.312
|
|
|
30
|
30 | 44.00 | 32.7 | 1.375 | 1.375 | 1.937 |
1.437
|
|
|
32
|
32 | 46.00 | 32.7 | 1.500 | 1.500 | 2.063 |
1.437
|
|
|
33
|
33 | 47.00 | 32.7 | 1.625 | 1.625 | 2.187 |
1.437
|
|
|
35
|
35 | 49.20 | 32.7 | 1.750 | 1.750 | 2.312 |
1.437
|
|
|
38
|
38 | 52.40 | 34.2 | 1.875 | 1.875 | 2.437 |
1.500
|
|
|
40
|
40 | 55.60 | 34.2 | 2.000 | 2.000 | 2.562 |
1.500
|
|
|
43
|
43 | 58.70 | 34.2 | 2.125 | 2.125 | 2.687 |
1.500
|
|
45 | 45 | 58.70 | 34.2 | 2.250 | 2.250 | 2.812 | 1.562 | |
48 | 48 | 61.90 | 34.2 | 2.375 | 2.375 | 2.937 | 1.562 | |
50 | 50 | 65.10 | 34.7 | 2.500 | 2.500 | 3.187 | 1.562 | |
53 | 53 | 68.30 | 34.7 | 2.625 | 2.625 | 3.312 | 1.625 | |
55 | 55 | 71.00 | 34.7 | 2.750 | 2.750 | 3.437 | 1.625 | |
60 | 60 | 74.60 | 39.7 | 2.875 | 2.875 | 3.625 | 1.687 | |
65 | 65 | 84.10 | 39.7 | 3.000 | 3.000 | 3.750 | 1.687 | |
70 | 70 | 87.30 | 45.2 | 3.125 | 3.125 | 3.875 | 1.750 | |
75 | 75 | 95.30 | 45.2 | 3.250 | 3.250 | 4.000 | 1.750 | |
80 | 80 | 98.40 | 44.7 | 3.375 | 3.375 | 4.125 | 1.750 | |
85 | 85 | 104.80 | 44.7 | 3.500 | 3.500 | 4.250 | 1.875 | |
90 | 90 | 108.00 | 49.7 | 3.625 | 3.625 | 4.375 | 1.875 | |
95 | 95 | 114.30 | 49.7 | 3.750 | 3.750 | 4.500 | 1.875 | |
3.880 | 3.880 | 4.625 | 1.875 | |||||
4.000 | 4.000 | 4.750 | 1.875 |
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