CRL Jackson ANSI Grade 1 Medium Duty 105 Deg. Non Hold-Open Overhead Concealed Closer Body w/ Backcheck - 20111M01B
This Jackson ANSI Grade 1 Overhead Concealed Closer is designed to provide the ultimate in durability and maintenance free service. The closer comes standard with an adjustable hydraulic back check feature that provides the ultimate protection from wind or violent door swings to prevent damage to the closer and opening without impeding normal traffic flow. Also standard are dual action valves for closing operation (one valve for closing, one valve for latching). 90 and 105 Degree Hold Open and Non Hold-Open models are available. Interchangeable with standard Jackson and similar brands of Overhead Concealed Closers.