PEplastic manhole cover , installed on the top of chemical liquid transport lined plastic tank , servea as observation port of viewing the goods and natural condition inside the tank , as well as the most convenient loading port for the goods which can be loaded or unloaded directly in the common enviroment . 


| Product name | Full plastic manhole cover |
| Body Material | PE |
| norminal diameter | DN500 |
| norminal pressure | 45KPA |
| weight | 11kg |
| Applicable media | Hydrochloric acid, hydrofluoric acid, sulfuric acid |