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“ what locking system is used for double door ”

Resolution: The Von Duprin 1609 cannot be used on a pair of fire rated doors. We recommend using the Von Duprin fire rated mortise exit device in lieu of the rim device such as the Von Duprin 5575-F,...:

What electric strike can be used on a pair of doors with an L9000 lock?

Resolution: Von Duprin 6223 electric strike is the most common closed back strike or the 6221 for open back strike on inactive leaf that can be used with Schlage L9000 or Von Duprin 7500 mortise lock.:

Are flush bolts available on the inactive leaf of hurricane double doors with either FBC or NOA approvals?

Resolution: Ives SB360 surface bolt at top and bottom are the only flush bolts approved for use on H-Series hurricane FBC or NOA applications? The only approved latching hardware for inactive leaf of pairs w...:

Chexit goes into alarm with fast flashing LED and not locking after rearm time.

Resolution: Chexit devices shipped prior to 8-24-2015 with solenoid driven: Chexit device has a RX switch with a connector that needs to be connected to the Chexit module otherwise the alarm will sound af...:

Can a Senior Swing 2850 or 2860 be used on a Double Egress (DE) door?

Resolution: The overhead concealed operators (2850/2860) will not work on a Double Egress frame because the doors are not in the same plane. You will have to use the surface mount (9553 / 9563) on Double Egres...:

What anchors are used in FEMA Tornado Resistant openings?

Resolution: The following anchors are approve for use in FEMA Tornado Resistant openingsMasonry walls:Jamb anchors - Wire masonry anchorsSill (base) anchors - Adjustable base anchorsExisting walls:Jamb an...:

What LCN closer is used for double acting door?

Resolution: The LCN 6030 is a Double Acting (or dual action) closer. Requires a "Cased Open Frame" - that means no stops formed in the frame.:

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