product name : Mechanical seal for automotive water pumps
1.1.Main Characteristics of this automotive pump seal
Temperature : -30°c~200°c
Pressure: ≤ 0.5 Mpa
Speed: ≤ 15m/Sec
2.Materials
Stationary Ring : Carbon / SIC
Rotary Ring : Ceramic / SIC
Secondary Seals : NBR / EPDM / VITON
Spring & Punched Parts : Steel
Mediums:Water,oil and weakly-corrosive mediums,etc.
We can offer this seal , replaced seals with different materials. According to your working condition.
This is the design drawing:
More size informations , please contact us dorectly .
| Spec/Size | d1 | d2 | d3 | d7 | L1 | L3 | L4 |
| YKSB-12S | 12 | 26 | 32 | 18 | 20.8 | 6.8 | 8 |
| YKSB-12 | 12 | 30 | 35 | 24 | 19.5 | 4.5 | 9.5 |
| YKSB-13 | 13 | 30 | 38 | 25 | 18.7 | 5 | 8.5 |
| YKSB-15S | 15 | 30 | 41.3 | 21.5 | 22.8 | 6.8 | 9 |
| YKSB-17S | 17 | 35 | 41.3 | 25 | 27 | 7.5 | 9 |
| YKSB-20 | 20 | 40 | 43.8 | 36 | 29.5 | 7 | 10.5 |
| YKSB-25 | 25 | 50 | 51 | 42 | 31.5 | 8 | 13.5 |
| YKSB-28 | 28 | 54 | 57 | 45 | 31.5 | 7.5 | 14.5 |
| YKSB-30 | 30 | 54 | 57 | 45 | 32.2 | 8.2 | 14.5 |
1,for high speed rotation
2, the seal is independent of the shaft
3, for engine driven pump and motor driven pumps
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