Operating Parameters
Temperature: -75° C to +290° C/-100° F to +550° F
Speed: Up to 25mps / 5, 000 FPM
Pressure: Vacuum to 25 barg/360 psig
Standard size: 18-115mm/0.75''-5.25''
Equivalent to John crane Type 670
Replacement of Burgmn MF95N welded metal bellow seals design.
Equivalent to Burgmn MF95N
For unstepped shafts
Stationary bellows
Single Seal
Balanced
Independent of direction of rotation
Roller bellows
The Type FMLWT80, with a rotating AM350 stainless steel bellows, is well suited for mild corrosive and abrasive applications. Available with hard faces for abrasive applications and a wide variety of secondary seals that cover a broad range of applications.
Technical Dimensions for 606 JC Metal Bellow Mechanical Seal (Unit: mm)
| Shaft Size (d) | D3 | D6 | D7 | L3 | L8 | L4 |
|---|---|---|---|---|---|---|
| 14 | 24.00 | 21 | 25 | 30.5 | 15.0 | 5.5 |
| 16 | 26.00 | 23 | 27 | 29.5 | 15.0 | 5.5 |
| 18 | 32.00 | 27 | 33 | 30.5 | 15.0 | 7.0 |
| 20 | 34.00 | 29 | 35 | 30.5 | 15.0 | 7.0 |
| 22 | 36.00 | 31 | 37 | 30.5 | 15.0 | 7.0 |
| 24 | 39.00 | 33 | 39 | 33.0 | 15.0 | 7.0 |
| 25 | 39.00 | 34 | 40 | 33.0 | 15.0 | 7.0 |
| 28 | 42.00 | 37 | 43 | 35.5 | 15.0 | 7.0 |
| 30 | 44.00 | 39 | 45 | 35.5 | 15.0 | 7.0 |
| 32 | 46.00 | 42 | 48 | 35.5 | 15.0 | 7.0 |
| 33 | 47.00 | 42 | 48 | 35.5 | 15.0 | 7.0 |
| 35 | 49.00 | 44 | 50 | 35.5 | 15.0 | 7.0 |
| 38 | 54.00 | 49 | 56 | 37.0 | 16.0 | 8.0 |
| 40 | 56.00 | 51 | 58 | 37.0 | 16.0 | 8.0 |
| 43 | 59.00 | 54 | 61 | 37.0 | 16.0 | 8.0 |
| 45 | 61.00 | 56 | 63 | 37.0 | 16.0 | 8.0 |
| 48 | 64.00 | 59 | 66 | 37.0 | 16.0 | 8.0 |
| 50 | 66.00 | 62 | 70 | 38.0 | 17.0 | 9.5 |
| 53 | 69.00 | 65 | 73 | 38.0 | 17.0 | 9.5 |
| 55 | 71.00 | 67 | 75 | 38.0 | 17.0 | 9.5 |
| 58 | 78.00 | 70 | 78 | 42.0 | 18.0 | 10.5 |
| 60 | 80.00 | 72 | 80 | 42.0 | 18.0 | 10.5 |
| 63 | 83.00 | 75 | 83 | 42.0 | 18.0 | 10.5 |
| 65 | 85.00 | 77 | 85 | 42.0 | 18.0 | 10.5 |
| 68 | 87.00 | 81 | 90 | 41.5 | 18.5 | 11.0 |
| 70 | 90.00 | 83 | 92 | 48.5 | 19.0 | 11.5 |
| 75 | 99.00 | 88 | 97 | 48.5 | 19.0 | 11.5 |
| 80 | 104.00 | 95 | 105 | 48.5 | 19.0 | 11.5 |
| 85 | 109.00 | 100 | 110 | 48.5 | 19.0 | 11.5 |
| 90 | 114.00 | 105 | 115 | 52.0 | 20.5 | 13.0 |
| 95 | 119.00 | 110 | 120 | 52.0 | 20.5 | 13.0 |
| 100 | 124.00 | 115 | 125 | 52.0 | 20.5 | 13.0 |