| Structure: | Single End |
|---|---|
| Pressure: | High Pressure Mechanical Seals |
| Speed: | High-Speed Mechanical Seal |
| Temperature: | High Temperature Mechanical Seal |
| Standard: | Standard |
| Balance: | Unbalanced |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier AKM-57B/58B: John crane Type 58B/57B repalcement
Structure Description:
Equivalent to John crane Type 57B/Type 58B
Multiple spring design,balanced seal
Operating Limits:
Temperature:-20---180ºC
Speed: 15m/s
Pressure:25bar
Standard Size:14-100mm
Material:
Seal ring:Car,Sic,Ssic,Ceramic,TC
Secondary seal:NBR, ,EPDM etc.
Spring and metal parts:304,316,HAST.C
58B are hydraulically balanced, multi-spring DIN 24960/EN 12756 seals. They are versatile designs using components common to other o-ring and wedge type seals. They allow easy repair, reduce inventory, and permit a simple conversion to unbalanced or wedge seals.
| AKM-58B/AKM-57B Dimensions(mm) | |||||||||
| Size | d1 | d | D3 | D6 | D7 | L3 | L4 | L8 | L65 |
| 14 | 14 | 18 | 32 | 21 | 25 | 30.5 | 12.0 | 18.5 | 6.0 |
| 16 | 16 | 20 | 34 | 23 | 27 | 30.5 | 12.0 | 18.5 | 6.0 |
| 18 | 18 | 22 | 36 | 23 | 33 | 31.5 | 13.5 | 20.5 | 6.5 |
| 20 | 20 | 24 | 38 | 29 | 35 | 31.5 | 13.5 | 20.5 | 6.5 |
| 22 | 22 | 26 | 40 | 31 | 37 | 31.5 | 13.5 | 20.5 | 6.5 |
| 24 | 24 | 28 | 42 | 33 | 39 | 34.2 | 13.3 | 20.3 | 6.7 |
| 25 | 25 | 30 | 44 | 34 | 40 | 34.5 | 13.0 | 20.0 | 7.0 |
| 28 | 28 | 33 | 47 | 37 | 43 | 37.5 | 12.5 | 19.5 | 7.5 |
| 30 | 30 | 35 | 49 | 39 | 45 | 38.0 | 12.0 | 19.0 | 8.0 |
| 32 | 32 | 38 | 54 | 42 | 48 | 38.0 | 12.0 | 19.0 | 8.0 |
| 33 | 33 | 38 | 54 | 42 | 48 | 38.0 | 12.0 | 19.0 | 8.0 |
| 35 | 35 | 40 | 56 | 44 | 50 | 38.0 | 12.0 | 19.0 | 8.0 |
| 38 | 38 | 43 | 59 | 49 | 56 | 39.5 | 13.0 | 20.0 | 10.0 |
| 40 | 40 | 45 | 61 | 51 | 58 | 39.5 | 13.0 | 20.0 | 10.0 |
| 43 | 43 | 48 | 64 | 54 | 61 | 39.5 | 13.0 | 20.0 | 10.0 |
| 45 | 45 | 50 | 66 | 56 | 63 | 39.5 | 13.0 | 20.0 | 10.0 |
| 48 | 48 | 53 | 69 | 59 | 66 | 39.5 | 13.0 | 20.0 | 10.0 |
| 50 | 50 | 55 | 71 | 62 | 70 | 44.0 | 13.5 | 20.5 | 11.5 |
| 53 | 53 | 58 | 78 | 65 | 73 | 44.0 | 13.5 | 20.5 | 11.5 |
| 55 | 55 | 60 | 80 | 67 | 75 | 44.0 | 13.5 | 20.5 | 11.5 |
| 58 | 58 | 63 | 83 | 70 | 78 | 49.0 | 13.5 | 20.5 | 11.5 |
| 60 | 60 | 65 | 85 | 72 | 80 | 49.0 | 13.5 | 20.5 | 11.5 |
| 63 | 63 | 68 | 88 | 75 | 83 | 49.0 | 13.5 | 20.5 | 11.5 |
| 65 | 65 | 70 | 90 | 77 | 85 | 49.0 | 13.5 | 20.5 | 11.5 |
| 70 | 70 | 75 | 95 | 83 | 92 | 55.0 | 14.5 | 21.5 | 13.5 |
| 75 | 75 | 80 | 104 | 88 | 97 | 55.0 | 14.5 | 21.5 | 13.5 |
| 80 | 80 | 85 | 109 | 95 | 105 | 55.0 | 15.0 | 22.0 | 13.0 |
| 85 | 85 | 90 | 114 | 100 | 110 | 60.0 | 15.0 | 22.0 | 13.0 |
| 90 | 90 | 95 | 119 | 105 | 115 | 60.0 | 15.0 | 22.0 | 13.0 |
| 95 | 95 | 100 | 124 | 110 | 120 | 60.0 | 15.0 | 22.0 | 13.0 |
| 100 | 100 | 105 | 129 | 115 | 125 | 60.0 | 15.0 | 22.0 | 13.0 |
Suppliers with verified business licenses
Audited Supplier 
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