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“ pneumatic hold open ”

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Resolution: 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...:

What is the minimum and maximum PSI applied to a 4800 operator?

Resolution: The pneumatic operators are designed to function with an input air pressure to the 7901/7902 Series control box of 80 (min) 100 (max) PSI, and an output pressure of 60 to 80 PSI to the pneumatic (2...:

How do I set the hold open on my 4040 closer?

Resolution: The hold open position on a "REG" or "EDA" hold open arm is set with the door to a few degrees shy of the desired hold open point. To properly set, open the door 5° less then the desired hold open...:

What degrees of opening can a 4110 EDA be templated for?

Resolution: The 4110 EDA/HEDA can be templated for 100°, 140°, and 180° hold open. The hold open adjustment can be set to hold the door at any position (degree) up to the maximum door opening angle. For "Wi...:

What does B80 or B140 indicate on an ME closer?

Resolution: The "B" means "Bypass". The "80 or 140" is the degree of door opening from the fully closed position. "B80" means the hold open feature is bypassed (will not hold open) until the door is opened...:

What could cause the Von Duprin EL solenoid not to hold when mechanism cover plate is slide over the solenoid?

Resolution: If mechanism cover plate causes the EL solenoid to drop when slid over the solenoid, the solenoid plunger requires adjustment. You must lengthen the rod by turning the hex nut in front of the plun...:

What do I need to do to make my 4041 Reg/PA a hold open arm?

Resolution: When placing an order for a 4041/4040XP Rw/PA with hold open, it would be ordered as a 4041 /4040XP Hw/PA. For an existing Rw/PA requiring the addition of a hold open function, a hold open arm woul...: