International Door Closers 231

This closer is a fixed spring closer with two adjustment valves one for closing and one for latching speeds.

International door closers 231. The medium spring is the most popular fixed tension closer for use on exterior doors. Door size chart schedule of models and types note. It is designed as a replacement for the jackson 20 330 concealed closer. International door closers series 300.

The international door closer 200 series overhead concealed closer has been in there line up for at least 20 years. 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. The leading source for quality product and excellent service for over 50 years. Take your pick from international door closer 230 international door closer 231 international door closer 232 and international door closer 233.

This is the same quality international door closer that is included in our complete closer packages. One valve controls the latching speed whereas the other valve controls the closing speed. International door closers 231 fixed tension medium spring overhead concealed closer body only. 231 232 233 230 x jo or vo 231 x jo or vo.

International series 230 concealed overhead door closer 231 s 105 degree built in positive backstop with nho no hold open function standard medium spring tension for use on exterior doors with center pivoted applications. International door closers model 231 b overhead concealed door closer with standard medium spring tension 105 degree backstop with no hold open function for center hung doors by international door closers 105 degree no hold open body only suitable for interior doors from 31. The 200 series products consist of two adjustable valves.