[[MetaDescription]]
Equivalent to:
● Eagle Burgmann M7N/M74
Operating Limits:
● Temperature: -20℃ - +220℃
● Pressure：≤ 16bar
● Speed: ≤ 20m/s
● Shaft Size: 14mm - 200mm
Materials:
● Seal Rings: A,B,Q1/12,Q2/22, U1/12,U2/22
● Elastomer: VITON, EPDM, NBR, FFKM, AFLAS
● Metal Part: SS304, SS316, Duplex, Hastelloy C
Assembly Dwg:
Dimension (mm):
| D | d3 | d6 | d7 | l1 | l3 |
| 14 | 25 | 21 | 25 | 35.0 | 10.0 |
| 16 | 27 | 23 | 27 | 35.0 | 10.0 |
| 18 | 33 | 29 | 33 | 37.5 | 11.5 |
| 20 | 35 | 29 | 35 | 37.5 | 11.5 |
| 22 | 37 | 31 | 37 | 37.5 | 11.5 |
| 24 | 39 | 33 | 39 | 40.0 | 11.5 |
| 25 | 40 | 34 | 40 | 40.0 | 11.5 |
| 28 | 43 | 37 | 43 | 42.5 | 11.5 |
| 30 | 45 | 39 | 45 | 42.5 | 11.5 |
| 32 | 47 | 42 | 48 | 42.5 | 11.5 |
| 33 | 48 | 42 | 48 | 42.5 | 11.5 |
| 35 | 50 | 44 | 50 | 42.5 | 11.5 |
| 38 | 55 | 49 | 56 | 45.0 | 14.0 |
| 40 | 57 | 51 | 58 | 45.0 | 14.0 |
| 43 | 60 | 54 | 61 | 45.0 | 14.0 |
| 45 | 62 | 56 | 63 | 45.0 | 14.0 |
| 48 | 65 | 59 | 66 | 45.0 | 14.0 |
| 50 | 67 | 62 | 70 | 47.5 | 15.0 |
| 53 | 70 | 65 | 73 | 47.5 | 15.0 |
| 55 | 72 | 67 | 75 | 47.5 | 15.0 |
| 58 | 79 | 70 | 78 | 52.5 | 15.0 |
| 60 | 81 | 72 | 80 | 52.5 | 15.0 |
| 63 | 84 | 75 | 83 | 52.5 | 15.0 |
| 65 | 86 | 77 | 85 | 52.5 | 15.0 |
| 68 | 89 | 81 | 90 | 52.5 | 18.0 |
| 70 | 91 | 83 | 92 | 60.0 | 18.0 |
| 75 | 99 | 88 | 97 | 60.0 | 18.0 |
| 80 | 104 | 95 | 105 | 60.0 | 18.2 |
| 85 | 109 | 100 | 110 | 60.0 | 18.2 |
| 90 | 114 | 105 | 115 | 65.0 | 18.2 |
| 95 | 119 | 110 | 120 | 65.0 | 17.2 |
| 100 | 124 | 115 | 125 | 65.0 | 17.2 |
*Related introduction*
The mechanical seal system includes：
① Seals: Single mechanical seal, double seal, multiple seals or combined seals, etc.;
② Seal type and model;
③ Sealing material;
④ Sealed box;
⑤ Auxiliary device-circulation device, cooling-heating device, etc.;
⑥ Piping plan;
⑦ Matching accessory one shaft sleeve and gland.
[[ContDescription]]
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