parallel or perpendicular

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The 4011 can only mount on the Pull Side of the door and the 4111 can only mount on the Push Side of the door. Differences - The 4011 and the 4111 cylinders are different and the pinion shafts are...
 Pneumatic Automatic Operators are used in areas where electrically operated devices are not convenient or permitted.  Consists of a modified, heavy-duty door closer for manual oper...
EDA ARM - The EDA arm is a heavy duty parallel arm mount.  The degree of door opening is determined by the template used for mounting. EDA arm closers can only be mounted as a Push Side parallel ar...
This can only be done with universal, non-handed closers:  1250, 1260, 1450, 1460, 4030, 4040XP, and 4050.You would need an xxxx-62PA shoe to adapt from regular arm to parallel arm mount&...
The 40401/4040XP closer with optional EDA arm has to be mounted parallel arm on the push side of the door.