The Protek models DP-5, DP-7, DP-9 hand primer pumps are used to prime pump installations with high suction lifts or extra long suction lines. They can be used as primers in a wide range of installations such as fountains, swimming pools and irrigation systems. The hand primers can be portable or permanently attached. The Protek HP-700 and HP-900 Hand Diaphragm Pumps deliver 30 to 40 gpm. Hand diaphragm pumps can be used as portable utility pumps or mounted permanently. They will pump air or liquids - including water, slurries, sewage and sludge. A high percentage of solids will pass through the pumps without clogging or damage.