One valve controls the latching speed whereas the other valve controls the closing speed.
International door closers 231.
The leading source for quality product and excellent service for over 50 years.
This closer is a fixed spring closer with two adjustment valves one for closing and one for latching speeds.
Take your pick from international door closer 230 international door closer 231 international door closer 232 and international door closer 233.
It is designed as a replacement for the jackson 20 330 concealed closer.
The medium spring is the most popular fixed tension closer for use on exterior doors.
International door closers 231 fixed tension medium spring overhead concealed closer body only.
Product description international series 230 concealed overhead door closer 231a 105 degree built in positive backstop with nho no hold open function with standard medium spring tension for use on exterior doors with center pivoted applications.
Door size chart schedule of models and types note.
The international door closer 200 series overhead concealed closer has been in there line up for at least 20 years.
Doors of sizes over the schedule or of excessive weight or doors subject.
This is the same quality international door closer that is included in our complete closer packages.
International door closers series 300.
West coast office 800 544 4422 east coast office 800 225 6737.
International door closers international door closers 231 s center hung concealed door closer kal door hardware click to zoom in international door closers international door closers 231 s center hung concealed door closer 119 97.
The 200 series products consist of two adjustable valves.