Features of john crane water pump mechanical seal 21-1 1/2"
1. Model: type 21
2. Stationary Ring: ceramic
3. Rotary Ring: carbon
4. Spring&Metal parts: steel
5. Secondary Seal: NBR
Working Conditions of john crane water pump mechanical seal 21-1 1/2"
1. Pressure: ≤0.8Mpa
2. Speed: ≤10m/s
3. Temperature: ≤-20℃~150℃
Drawing and Sizes of john crane water pump mechanical seal 21-1 1/2"
| Model | d | D | D1 | L1 | L2 |
| WJ21-1 1/2" | 38.1 | 55.8 | 53.98 | 11.1 | 28.78 |
