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“ FTRE DOOR UNDERCUT ”

Resolution: The bottom rod of the device will accommodate a 1/4" to 3/4" door undercut per 2130 template .:

What is the maximum door undercut for fire rated vertical rod exit devices?

Resolution: For devices with bottom latches and strikes, the maximum undercut is 1/4" to ensure latching in the case of a fire. For devices approved without bottom latches and strikes, using the AFL (aux...:

What are the standard door and frame clearances?

Resolution: To determine Actual Door Size, the following values are subtracted from nominal door size (frame opening/order size) Actual Door Size: The largest measured width by height of the door leaf as m...:

What is the difference between a 33A/35A/98/9947 and a 33A/35A/98/9948 Latches?

Resolution: The 33A/35A/98/9947 will work on doors with a maximum undercut of 1/4" and the 33A/35A/98/9948 will work with a undercut over 1/4" and up to 3/4". The 47 top and bottom latches throw 5/8" and th...:

What is the difference between Von Duprin 98/9947 and 98/9948 concealed vertical rod devices?

Resolution: They both use Template # 10320_c:

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“ FTRE DOOR UNDERCUT ”

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