Weijin
Mechanical Seals Factory offer pump seals, auto
cooling pump seals,
industrial pump seals, graphite seal faces and
ceramic seal faces, etc.

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