How to choose a storm screen door closer?

Our door closers are made for out-swinging storm or screen doors. They are not suitable for in-swinging doors. 

They are not for heavy doors or gates that weight more than 60 lbs. 

Two identical door closers may be used for those heavy doors. But the arrangements should be specially tested. However, we don't provide technical guidance for those situations. 

We have many models of door closers. Check them out here: