WUZQ Over pressure indicator is used in used in the pipe line to indicate the pressure over the set quantity,medium;grease,the penetration 250-350（25℃，150g）1/10mm.
Appearance and dimensions：
| type | nominal pressure MPa | indicate pressure MPa | weight kg |
| WUZQ-K13 | 16 | 13 | 0.16 |
Example of order：A filter of nominal pressure 16MPa,outside
WUZQ filter JB/ZQ 4554-1997
