John Crane Type 58B/59B Multi Spring Mechanical Seal Rubber Pump Seal;
The John Crane 59B is a rotor, which can be categorized as a multi spring rotor. It is an alternative to AES M04SU, Vulcan 1659BS . It is suited for the Sabroe SAB 128 Mk1, Sabroe SAB 128 Mk2, Sabroe SAB 128 Mk3 ...
Equivalent to:
• John Crane 59B
• AES Seal M04U
• Burgmann BT-C5.KB
• Sterling 259BS
PTFT Wedge mechanical seals
Construction Features
Single seal face
Balanced(59B),unbalanced(59U)
PTFE seal ring
Independent of direction or rotation
To DIN24960
Identical to mechanical seal of John Crane type 9U /9B
Application Scope
All types of rotating equipment,pumps,mixers,agitators and compressors.
To suit industries such as general chemical,oil refining,petrochemical,pharmaceutical,
food processing,pulp and paper and waste water treatment.
It is apt for low and medium viscosity media with or without small amount of granules
in low-and medium temperature, like light hydrocarbon, light oil, some organic material,
water, etc.
Our products are of the standards of ISO3069,GB6556,API610,DIN24960,BS5257and
JB4127.Now,we have passed the Conformity of Quality Management System ISO9001.
The main products here we serve well are for the industries of oil field, oil refining, mining,
chemical plants, water pumps, pharmaceutical factories, refrigeration, power stations,
and shipbuilding.
| (/Metric) | |||||||||
| 14 | 18 | 14 | 32 | 21 | 25 | 30.5 | 12.0 | 18.5 | 6.0 |
| 16 | 20 | 16 | 34 | 23 | 27 | 30.5 | 12.0 | 18.5 | 6.0 |
| 18 | 22 | 18 | 36 | 27 | 33 | 31.5 | 13.5 | 20.5 | 6.5 |
| 20 | 24 | 20 | 38 | 29 | 35 | 31.5 | 13.5 | 20.5 | 6.5 |
| 22 | 26 | 22 | 40 | 31 | 37 | 31.5 | 13.5 | 20.5 | 6.5 |
| 24 | 28 | 24 | 42 | 33 | 39 | 34.2 | 13.3 | 20.3 | 6.7 |
| 25 | 30 | 25 | 44 | 34 | 40 | 34.5 | 13.0 | 20.0 | 7.0 |
| 28 | 33 | 28 | 47 | 37 | 43 | 37.5 | 12.5 | 19.5 | 7.5 |
| 30 | 35 | 30 | 49 | 39 | 45 | 38.0 | 12.0 | 19.0 | 8.0 |
| 32 | 38 | 32 | 54 | 42 | 48 | 38.0 | 12.0 | 19.0 | 8.0 |
| 33 | 38 | 33 | 54 | 42 | 48 | 38.0 | 12.0 | 19.0 | 8.0 |
| 35 | 40 | 35 | 56 | 44 | 50 | 38.0 | 12.0 | 19.0 | 8.0 |
| 38 | 43 | 38 | 59 | 49 | 56 | 39.5 | 13.0 | 20.0 | 10.0 |
| 40 | 45 | 40 | 61 | 51 | 58 | 39.5 | 13.0 | 20.0 | 10.0 |
| 43 | 48 | 43 | 64 | 54 | 61 | 39.5 | 13.0 | 20.0 | 10.0 |
| 45 | 50 | 45 | 66 | 56 | 63 | 39.5 | 13.0 | 20.0 | 10.0 |
| 48 | 53 | 48 | 69 | 59 | 66 | 39.5 | 13.0 | 20.0 | 10.0 |
| 50 | 55 | 50 | 71 | 62 | 70 | 44.0 | 13.5 | 20.5 | 11.5 |
| 53 | 58 | 53 | 78 | 65 | 73 | 44.0 | 13.5 | 20.5 | 11.5 |
| 55 | 60 | 55 | 80 | 67 | 75 | 44.0 | 13.5 | 20.5 | 11.5 |
| 58 | 63 | 58 | 83 | 70 | 78 | 49.0 | 13.5 | 20.5 | 11.5 |
| 60 | 65 | 60 | 85 | 72 | 80 | 49.0 | 13.5 | 20.5 | 11.5 |
| 63 | 68 | 63 | 88 | 75 | 83 | 49.0 | 13.5 | 20.5 | 11.5 |
| 65 | 70 | 65 | 90 | 77 | 85 | 49.0 | 13.5 | 20.5 | 11.5 |
| 70 | 75 | 70 | 95 | 83 | 92 | 55.5 | 14.5 | 21.5 | 13.5 |
| 75 | 80 | 75 | 104 | 88 | 97 | 55.5 | 14.5 | 21.5 | 13.5 |
| 80 | 85 | 80 | 109 | 95 | 105 | 55.0 | 15.0 | 22.0 | 13.0 |
| 85 | 90 | 85 | 114 | 100 | 110 | 60.0 | 15.0 | 22.0 | 13.0 |
| 90 | 95 | 90 | 119 | 105 | 115 | 60.0 | 15.0 | 22.0 | 13.0 |
| 95 | 100 | 95 | 124 | 110 | 120 | 60.0 | 15.0 | 22.0 | 13.0 |
| 100 | 105 | 100 | 129 | 115 | 125 | 60.0 | 15.0 | 22.0 | 13.0 |
We focused commitment to establishing the industry's broadest in-stock inventory of mechanical seals has successfully satisfied a very diverse base of customers. A regularly updated online inventory and our detailed cross reference tools allow our customers to find what they are looking for quickly and reliably. That approach coupled with the most aggressive price structures in the industry have been key ingredients to a business level that has gone beyond all expectations.
