Features of john crane water pump mechanical seal 21-1/2"
1. Model: type 21
2. Stationary Ring: ceramic
3. Rotary Ring: carbon
4. Secondary Seal: NBR
5. Spring&Metal parts: steel
Working Conditions of john crane water pump mechanical seal 21-1/2"
1. Pressure: ≤0.8Mpa
2. Speed: ≤10m/s
3. Temperature: ≤-20℃~150℃
Drawing and Sizes of john crane water pump mechanical seal 21-1/2"
Model | d | D | D1 | L1 | L2 |
WJ21-1/2" | 12.7 | 23.88 | 25.4 | 7.92 | 20.82 |