.Equivalent to John Crane Type 502, AES Seal B07,
Sterling 524 seal, Vulcan 1724 seal
Specifications:
)industrial seal manufacture.
2)replace john crane 502 type
3)use in industrial pump
4)past ISO
John crane mechanical seal 502
Operating limits
temperature:-40-150degree
pressure:0-4Mpa
speeds:13m/sec
Material :
Stationary Ring: (Alumina 99% /SiC/SSiC/TC)
Rotary Ring : (Carbon/SiC/SSiC/TC)
Secondary Seal: (NBR/EPDM/Viton)
Spring and Punched Parts (SS304/SS316)
John Crane Type 502 elastomer bellows seal.
| Size d | D1 | D2 | D3 | L1 | L2 | L3 |
| 14 | 25.0 | 21.0 | 24.0 | 23.0 | 12.0 | 12.8 |
| 16 | 27.0 | 23.0 | 26.0 | 23.0 | 12.0 | 12.8 |
| 18 | 33.0 | 27.0 | 32.0 | 24.0 | 13.5 | 14.5 |
| 20 | 35.0 | 29.0 | 34.0 | 24.0 | 13.5 | 14.5 |
| 22 | 37.0 | 31.0 | 36.0 | 24.0 | 13.5 | 14.5 |
| 24 | 39.0 | 33.0 | 38.0 | 26.7 | 13.3 | 14.3 |
| 25 | 40.0 | 34.0 | 39.0 | 27.0 | 13.0 | 14.0 |
| 28 | 43.0 | 37.0 | 42.0 | 30.0 | 12.5 | 13.5 |
| 30 | 45.0 | 39.0 | 44.0 | 30.5 | 12.0 | 13.0 |
| 32 | 48.0 | 42.0 | 46.0 | 30.5 | 12.0 | 13.0 |
| 33 | 48.0 | 42.0 | 47.0 | 30.5 | 12.0 | 13.0 |
| 35 | 50.0 | 44.0 | 49.0 | 30.5 | 12.0 | 13.0 |
| 38 | 56.0 | 49.0 | 54.0 | 32.0 | 13.0 | 14.0 |
| 40 | 58.0 | 51.0 | 56.0 | 32.0 | 13.0 | 14.0 |
| 43 | 61.0 | 54.0 | 59.0 | 32.0 | 13.0 | 14.0 |
| 45 | 63.0 | 56.0 | 61.0 | 32.0 | 13.0 | 14.0 |
| 48 | 66.0 | 59.0 | 64.0 | 32.0 | 13.0 | 14.0 |
| 50 | 70.0 | 62.0 | 66.0 | 34.0 | 13.5 | 14.5 |
| 53 | 73.0 | 65.0 | 69.0 | 34.0 | 13.5 | 14.5 |
| 55 | 75.0 | 67.0 | 71.0 | 34.0 | 13.5 | 14.5 |
| 58 | 78.0 | 70.0 | 78.0 | 39.0 | 13.5 | 14.2 |
| 60 | 80.0 | 72.0 | 80.0 | 39.0 | 13.5 | 14.2 |
| 63 | 83.0 | 75.0 | 83.0 | 39.0 | 13.5 | 14.2 |
| 65 | 85.0 | 77.0 | 85.0 | 39.0 | 13.5 | 14.2 |
| 68 | 90.0 | 81.0 | 88.0 | 39.0 | 13.5 | 14.2 |
| 70 | 92.0 | 83.0 | 89.0 | 45.5 | 14.5 | 15.2 |
| 75 | 97.0 | 88.0 | 96.0 | 45.5 | 14.5 | 15.2 |
| 80 | 105.0 | 95.0 | 104.0 | 45.0 | 15.0 | 15.7 |
| 85 | 110.0 | 100.0 | 108.0 | 45.0 | 15.0 | 15.7 |
| 90 | 115.0 | 105.0 | 114.0 | 50.0 | 15.0 | 15.7 |
| 95 | 120.0 | 110.0 | 118.0 | 50.0 | 15.0 | 15.7 |
| 100 | 125.0 | 115.0 | 124.0 | 50.0 | 15.0 | 15.7 |
Type 502 mechanical seal is one of the best-performing elastomeric
bellows seals available. It is suitable for general service and provides
excellent performance in a wide range of hot water and mild chemical
lengths.
.It is suitable for general service. provides excellent performance in a wide range
of hot water and mild chemical duties.
