TWB2 PTFE Wedge Mechanical Seals
Description:
TWB2 mechanical seal,
for industrial pump, replace the mechanical seal of Burgmann and John Crane
Operational Conditions:
Temperature：-20℃ to +120℃
Pressure： ≤0.5 MPa
Speed： ≤10 m/s
Materials:
Stationary Ring： Silicon Carbide, TC, Carbon
Rotary Ring： TC, Steel
Secondary Seal：NBR,EPDM,Viton
Spring and Metal Parts：Steel
Applications:
Clean water,
Sewage water
Oil and other moderately corrosive fluids
| d(inch) | D3 | D2 | L2 | L1 | L11 |
| 1.000 | 60 | 54 | 17.5 | 42 | 45 |
| 1.125 | 67 | 60 | 27 | 42 | 45 |
| 1.250 | 69 | 65 | 27 | 42 | 45 |
| 1.375 | 72 | 68 | 27 | 42 | 45 |
| 1.500 | 76 | 71 | 27 | 42 | 45 |
| 1.625 | 80 | 78 | 27 | 42 | 45 |
| 1.750 | 84 | 81 | 27 | 44 | 46 |
| 1.875 | 86 | 84 | 27 | 44 | 46 |
| 2.000 | 90 | 87 | 27 | 46 | 46 |
| 2.125 | 95 | 97 | 33.5 | 46 | 46 |
| 2.250 | 98 | 100 | 33.5 | 46 | 46 |
| 2.375 | 100 | 103 | 33.5 | 46 | 46 |
| d(mm) | D3 | D2 | D1 | L2 | LI | L11 |
| 25 | 60 | 60 | 47 | 27 | 42 | 45 |
| 30 | 67 | 67 | 53 | 27 | 42 | 45 |
| 32 | 69 | 64 | 50.7 | 27 | 42 | 45 |
| 35 | 72 | 70 | 57 | 27 | 42 | 45 |
| 40 | 78 | 76 | 62 | 26 | 42 | 45 |
| 45 | 84 | 82 | 67 | 27 | 44 | 46 |
| 50 | 88 | 86 | 72 | 27 | 46 | 46 |
| 55 | 95 | 90 | 77 | 27 | 46 | 46 |
| 60 | 100 | 95 | 82 | 27 | 46 | 46 |
| 65 | 105 | 100 | 87 | 27 | 46 | 46 |
