

TB688 Metal Bellow Mechanical SealReplacement to:John Crane 609Burgmann mechanical seal,AES mechanical seal
| Temperature | -75℃-370℃ |
|---|---|
| Speed | ≦23m/s |
| Pressure | ≦2.1MPA |
| Stationary Seat | TBG9 |
| Rotary Ring Material | CAR/SIC/TC |
| Stationary Ring Material | CER/SIC/TC |
| O-Ring Material | Encasulated Ring, Expanded Graphite |
| Spring & Metal Parts | SUS304/SUS316 |
| Application | Clean Water,Sewage Water,Oil |
Mechanical seal
Replacement to:
John Crane 609

Operational Conditions:
Temperature: -75℃ to +370℃
Pressure: ≤2.1MPa
Speed: ≤23m/s
Materials:
Stationary Ring: Silicon Carbide, TC, Cer
Rotary Ring: Silicon Carbide, Car, TC
Secondary Seal: Expanded Graphite, Encasulated Ring
Spring and Metal Parts: SUS304,SUS316
Applications:
Clean water,
sewage water
oil and other moderately corrosive fluids
Stationary Seat:
Standard: TBG9
Product details




SIZE

| Size/ Metric | d | D3 | L1 |
|---|---|---|---|
| 25.40 | 25.40 | 41.28 | 38.95 |
| 28.58 | 28.58 | 44.45 | 39.87 |
| 31.75 | 31.75 | 47.63 | 40.66 |
| 34.93 | 34.93 | 50.80 | 40.66 |
| 38.10 | 38.10 | 53.98 | 40.66 |
| 41.28 | 41.28 | 57.15 | 40.66 |
| 44.45 | 44.45 | 60.33 | 41.48 |
| 47.63 | 47.63 | 63.50 | 41.48 |
| 50.80 | 50.80 | 66.68 | 42.26 |
| 53.98 | 53.98 | 69.85 | 42.26 |
| 57.15 | 57.15 | 73.03 | 43.86 |
| 60.33 | 60.33 | 76.20 | 43.86 |
| 63.50 | 63.50 | 82.55 | 44.65 |
| 66.68 | 66.68 | 85.73 | 45.44 |
| 69.85 | 69.85 | 88.90 | 45.44 |
| 73.03 | 73.03 | 93.65 | 47.83 |
| 76.20 | 76.20 | 96.82 | 47.83 |
| 79.38 | 79.38 | 101.60 | 47.83 |
| 82.55 | 82.55 | 104.78 | 47.83 |
| 85.73 | 85.73 | 107.95 | 47.83 |
| 88.90 | 88.90 | 111.13 | 47.83 |
| 92.08 | 92.08 | 114.30 | 47.83 |
| 95.25 | 95.25 | 117.48 | 47.83 |
| 98.43 | 98.43 | 120.65 | 47.83 |
| 101.60 | 101.60 | 123.83 | 47.83 |