Haw far can you run air tubing

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The maximum 925 tubing run length from the Control Box to the Door Closer is:  7980 Series Control Boxes --- 50 "Linear" feet from Control Box to Door Closer.  7900/7940 Series Control Boxes --...
If using the LCN pneumatic control box as the air source for the Von Duprin Pneumatic devises then you have to use the LCN 925 tubing because of the size of air line fitting on the LCN co...
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...