Diaphragm Kit for Hand Primer

Kit includes diaphragm, connecting rod and check valve disk.

Protek Specialty Diaphragm Primer Models: DP5, DP7, and DP9

The DP primer has a flapper check valve in the diaphragm and a disk check valve at the bottom of the unit. Air flows through the bottom check valve on the diaphragm up stroke then through the diaphragm valve on the down stroke. Diaphragm is actuated through a connecting rod eyebolt attached to a fulcrum handle bracket.