T491 O-ring Mechanical Seal
Description:
T491 Mechanical Seal
For industrial pumps
Replacing the mechanical seal of Burgmann and John Crane
Operational Conditions:
Temperature:-20℃ to +180℃
Pressure: ≤2.5MPa
Speed: ≤15m/s
Materials:
Stationary Ring: Carbon, Silicon Carbide
Rotary Ring: Ceramic, Silicon Carbide
Secondary Seal: NBR, EPDM, Viton
Spring and Metal Parts: Steel
Applications:
Clean water,
Sewage water
Oil and other moderately corrosive fluids
d (mm) |
D1 | D2 | D3 | L1 | L2 |
16 | 27 | 23 | 29 | 30 | 6.6 |
18 | 33 | 27 | 32.3 | 30 | 7.5 |
20 | 35 | 29 | 34.3 | 30 | 7.5 |
22 | 37 | 31 | 363 | 30 | 7.5 |
24 | 39 | 33 | 38.3 | 30 | 7.5 |
25 | 40 | 34 | 39.3 | 30 | 7.5 |
28 | 43 | 37 | 42.3 | 35 | 7.5 |
30 | 45 | 39 | 44.3 | 35 | 7.5 |
32 | 48 | 42 | 46.3 | 35 | 7.5 |
33 | 48 | 42 | 47.9 | 35 | 7.5 |
35 | 50 | 44 | 49.5 | 35 | 7.5 |
38 | 56 | 49 | 54.3 | 35 | 9 |
40 | 58 | 51 | 56.1 | 35 | 9 |
43 | 61 | 54 | 59.1 | 35 | 9 |
45 | 63 | 56 | 61.1 | 35 | 9 |
48 | 66 | 59 | 64.1 | 35 | 9 |
50 | 70 | 62 | 66.1 | 35 | 9.5 |
53 | 73 | 65 | 71 | 35 | 11 |
55 | 75 | 67 | 71.1 | 35 | 11 |
60 | 80 | 72 | 77.1 | 35 | 11 |
65 | 85 | 77 | 83 | 35 | 11 |
68 | 90 | 81 | 91 | 35 | 11.3 |
70 | 92 | 83 | 86.1 | 35 | 11.3 |
75 | 97 | 88 | 98.4 | 48 | 11.3 |
80 | 105 | 95 | 104.8 | 48 | 12 |
85 | 110 | 100 | 108 | 48 | 12 |
90 | 115 | 105 | 114.3 | 48 | 14 |
100 | 125 | 115 | 123.8 | 48 | 14 |