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What is recommend max SEM extension length
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RELATED FAQS
Question
Answer
How do I attach extensions to my magnet?
Resolution:
The magnet extensions can be used with both the SEM 7800 and the SEM1900 magnets. To add extensions to the SEM series magnets, you "MUST" start with the 7810-514 coupler kit. The coupler kit pro...:
Can I order a "one piece" top rod for an 8827 for a 9' door?
Resolution:
8827 vertical rod device is available for 7 or 8 feet tall door standard. 12", 24", 36" and 48" extension rod kits are available for taller doors (8 feet max on fire rated openings). We do no...:
Can a Von Duprin 3' pushpad exit device be converted to a 4' device in the field?
Resolution:
A 3' exit device cannot be converted to a 4' exit device. You will need to replace the 3' device with a 4'. Conversely, a 4' device cannot be converted to a 3' device. Converting these exit de...:
What is the maximum size of a welded elevation frame?
Resolution:
The following size limitations per frame unit, are in enforced for welded elevation frames shipped from the factory. These limitations are in place due to the physical size of shipping tr...:
Is there adjustment limits on the regulation valves of LCN manual closers?
Resolution:
The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulation valv...: