Features:
1. Built-in protector will jump off automatically so as not to burn down the engine if the lack phase of tri-phase source or engine overheating occurs.
2. The gear is using chromium-manganese-titanium alloy steel immersed in carbon and nitrogen, which can prolong the life span
3. Using a patented technique, the non-welded impeller can run stably, and it is easy to carry around
4. To ensure permanent application under strongly corrosive conditions ( seawater or industrial sewage ) without replacing the impeller or painting.