For large-sized stainless steel manways, the cover is quite heavy, making it very difficult for operators to handle.
After continuous research and experimentation, we have added a booster to the manway, allowing operators to easily open and close it. This can greatly improve work efficiency.
Manway with booster / manhole with booster
More information, http://www.sansunstainless.com sansun@sansunstainless.com
sanitary stainless steel valves and fittings manufacturer 