What is the best commercial mortise lock?

The Schlage L9000 is the most widely specified. The Sargent 8200 has the highest cycle count at 14M+. The Corbin Russwin ML2000 is heavily specified on government projects. All are ANSI/BHMA Grade 1.

What is the difference between Grade 1 and Grade 2 locks?

Grade 1 locks are tested to 1,000,000+ cycles with higher impact resistance. Grade 2 are rated for 250,000 cycles. Grade 1 is standard for commercial exterior doors and high-traffic areas.

What is the best door lock for school classrooms?

The Schlage ND78 classroom security lock allows locking from inside without opening the door, meets ADA requirements, and maintains fire egress compliance.

What is the difference between Schlage ND and ALX?

ND is Grade 1 with 1M+ cycles and electrified options. ALX is Grade 2 with 250K cycles and modular chassis at lower cost. They share the same lever designs.

What is the most common commercial door closer?

The LCN 4040XP is the most widely specified surface-mounted commercial door closer in the US, covering sizes 1-6 and all three mounting types.

What locks are used in hospitals?

Grade 1 mortise locks on high-traffic doors, cylindrical locks on patient rooms, electronic access with audit trails on pharmacy and restricted areas.

How much cheaper is wholesale vs retail door hardware?

Wholesale pricing on commercial door hardware is typically 20-40% below manufacturer list price. Project quotes for large orders can be even lower.

Detex DDH-2250 Double Door Holder

Descriptions

Double Door Holder

Type	Title	URL
catalog	Detex Easy Kits Catalog	https://dvwi9lnoau63q.cloudfront.net/detex/catalogs/EasyKits.pdf
	Detex Miscellaneous Catalog	https://dvwi9lnoau63q.cloudfront.net/detex/catalogs/Miscellaneous.pdf
	Detex Mullions Catalog	https://dvwi9lnoau63q.cloudfront.net/detex/catalogs/DET_catalog_Mullions.pdf
	Detex ProxiPen Catalog	https://dvwi9lnoau63q.cloudfront.net/detex/catalogs/Detex_ProxiPen_Catalog.pdf
	Detex Series 800 Catalog	https://dvwi9lnoau63q.cloudfront.net/detex/catalogs/Series-800.pdf
installation-instructions	BE-961 Battery Eliminator Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/101320PressQuality.pdf
	Detex EWH8-626 Electrified Hinge Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/103152.pdf
	Detex Power Transfer, PT-5 Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/103150.pdf
	Double Door Holder, DDH-2250 Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/3520-DDH-2250PressQuality.pdf
	High Quality Magnetic Contact Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/103139PressQuality.pdf
	High Security Magnetic Switch MS-1039S/MS-1059S Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/103137.pdf
	Magnetic Switch MS-2049F Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/3427.pdf
	Magnetic Switch MS-2049S, Surface Mounted Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/3428.pdf
	Magnetic Switch MS-2049SC Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/3429.pdf
	Magnetic Switch MS-2049SI Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/3430.pdf
	ML-1500 Series Electromagnetic Lock Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/103162.pdf
	Vertical Rod Assembly, Model VRA-143 Installation Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/3525-VRA-143PressQuality.pdf
literature	84-800 / 85-800 How to Order Guide	https://dvwi9lnoau63q.cloudfront.net/detex/howtoorder/84-800-85-800-How-To-Order.pdf
parts-price-list	Mullions Parts Price List	https://dvwi9lnoau63q.cloudfront.net/detex/parts-price-list/Mullions-Parts-List.pdf
price-books	2023 Detex Price Book	https://dvwi9lnoau63q.cloudfront.net/detex/pricebooks/DETEX_pricebook_3-2023.pdf
video	Mullion Installation	https://youtu.be/-3RZyyWCU3g
wiring-diagrams-and-instructions	Cylinder Switch Maintain Models Wiring Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/103161PressQuality.pdf
wiring-diagrams-and-instructions	Cylinder Switch Momentary Models Wiring Instructions	https://dvwi9lnoau63q.cloudfront.net/detex/installation/103145PressQuality.pdf

Specifications

Brand:

Detex

Specifications Bullet 5:

Includes Strike and Door Protection Plate

Application:

For use with Outswing (Double Doors) Inactive Leaf When Door is Closed

Specifications Bullet 4:

Includes Mounting Hardware

Specifications Bullet 6:

3 Year Warranty

Specifications Bullet 3:

7-1/8" x 2-7/8" x 2-1/4" Unit Dimension

Series:

Detex Parts and Accessories

Latch Throw (in):

3/4"

Specifications Bullet 1:

Double Door Holder Bolt, For use with Outswing (Double Doors) Inactive Leaf When Door is Closed

Includes:

Strike and Door Protection Plate

Screw Pack:

Mounting Hardware

Manufacturer:

Detex

Country of Origin:

United States

Finish:

Metallic

Dimensions:

7-1/8" x 2-7/8" x 2-1/4"

Door Range (Thickness):

Type:

Exit Devices

Finish Description:

Metallic

Grade:

Not Graded

Product Warranty:

3 Year Warranty

Specifications Bullet 2:

3/4" Throw

Uid:

DET100DDH2250

Url Title:

det100ddh-2250

Title:

DET100DDH-2250 Detex Exit Device Part

Sub Type:

Exit Device Parts

Last Modified:

2024-05-15T05:19:25+00:00

Last Pricing:

2023-03-04T00:00:00+00:00

Msrp:

195

Avg Lead Time:

Popularity:

Warranty Information

3 Year Warranty

Detex DDH-2250 Double Door Holder

Detex

Descriptions

Specifications

Warranty Information

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Detex DDH-2250 Double Door Holder

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Detex

Detex DDH-2250 Double Door Holder

Descriptions

Specifications

Warranty Information

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