

| Temperature | -20℃-120℃ |
|---|---|
| Speed | ≦15m/s |
| Pressure | ≦2.5MPA |
| Stationary Seat | TBT11 |
| Rotary Ring Material | CAR/SIC/TC |
| Stationary Ring Material | CER/SIC/TC |
| O-Ring Material | VIT/NBR/EPDM |
| Spring & Metal Parts | SUS304/SUS316 |
| Application | Clean Water,Sewage Water,Oil |
| FOB port | ningbo |
| Terms of Payment | T/T |
Mechanical seal
Replacement to:
John Crane 1B

Operational Conditions:
Temperature: -20℃ to +120℃
Pressure: ≤2.5MPa
Speed: ≤15m/s
Materials:
Stationary Ring: Silicon Carbide, TC, Carbon
Rotary Ring: Silicon Carbide, Ceramic, TC
Secondary Seal: NBR, EPDM, Viton
Spring and Metal Parts: SUS304,SUS316
Applications:
Clean water,
sewage water
oil and other moderately corrosive fluids
Stationary Seat:
Standard: TBT11
Product details




SIZE

| Size/ Metric | d | D3 | D2 | D1 | L1 | L2 | L6 |
|---|---|---|---|---|---|---|---|
| 1.000 | 25.4 | 38.10 | 33.32 | 41.28 | 47.63 | 11.10 | 8.70 |
| 1.125 | 28.5 | 41.28 | 36.50 | 44.44 | 49.20 | 11.10 | 8.70 |
| 1.250 | 31.7 | 46.02 | 39.70 | 47.36 | 49.20 | 11.10 | 8.70 |
| 1.375 | 34.9 | 47.63 | 42.84 | 50.80 | 50.80 | 11.10 | 8.70 |
| 1.500 | 38.1 | 50.80 | 46.05 | 53.98 | 50.80 | 11.10 | 8.70 |
| 1.625 | 41.2 | 57.15 | 50.80 | 60.33 | 60.33 | 12.70 | 11.10 |
| 1.750 | 44.4 | 60.33 | 53.97 | 63.50 | 60.33 | 12.70 | 11.10 |
| 1.825 | 47.6 | 63.50 | 57.15 | 66.68 | 63.50 | 12.70 | 11.10 |
| 2.000 | 50.8 | 66.68 | 60.32 | 69.85 | 63.50 | 12.70 | 11.10 |
| 2.120 | 53.9 | 71.42 | 60.32 | 76.20 | 69.85 | 14.27 | 12.70 |
| 2.250 | 57.1 | 74.60 | 61.90 | 79.38 | 69.85 | 14.27 | 12.70 |
| 2.375 | 60.3 | 77.77 | 67.39 | 82.55 | 73.03 | 14.27 | 12.70 |
| 2.500 | 63.5 | 80.95 | 68.25 | 85.73 | 73.03 | 14.27 | 12.70 |
| 2.625 | 66.6 | 85.73 | 71.42 | 85.73 | 79.38 | 15.88 | 14.27 |
| 2.750 | 69.8 | 88.90 | 74.60 | 88.90 | 79.38 | 15.88 | 14.27 |
| 2.875 | 73.0 | 92.08 | 77.77 | 95.25 | 82.55 | 15.88 | 14.27 |
| 3.000 | 76.2 | 95.25 | 80.95 | 98.43 | 82.55 | 15.88 | 14.27 |
| 3.135 | 79.3 | 101.60 | 84.12 | 101.60 | 88.90 | 19.84 | 15.88 |
| 3.250 | 82.5 | 104.78 | 87.30 | 104.78 | 88.90 | 19.84 | 15.88 |
| 3.375 | 85.7 | 107.85 | 90.47 | 107.95 | 88.92 | 19.84 | 15.88 |
| 3.500 | 88.9 | 111.13 | 93.65 | 111.13 | 88.90 | 19.84 | 15.88 |
| 3.625 | 92.0 | 114.30 | 96.82 | 114.30 | 92.08 | 19.84 | 15.88 |
| 3.750 | 95.2 | 117.48 | 100.00 | 117.48 | 93.08 | 19.84 | 15.88 |
| 3.875 | 98.4 | 120.65 | 103.17 | 120.65 | 95.25 | 19.84 | 15.88 |
| 4.000 | 101.6 | 123.83 | 106.35 | 123.85 | 95.25 | 19.84 | 15.88 |