Sargent DLU15-Standard Passage...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$332.00
$204.87
Sargent Sargent DL Series - Passage (DLU15) Tubular Lock - Standard Lever Series SGT-DLU15-Standard

Sargent DLU15-Standard Passage Tubular Lock with Standard Lever - Grade 1 Commercial Hardware

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Model: 28-DLU15-TO-A-10BE
From the DL Series Collection
$332.00
$204.87
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$332.00
$204.87
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Sargent DL Series Grade 1 Passage Tubular Lock with Standard Lever - 2 3/4" Backset Commercial Hardware

Professional Passage Lock Solution for Commercial Applications

The Sargent DL Series tubular lock combines style and function with ease of installation, exceeding the expectations of demanding architects, design professionals, and building contractors. This Grade 1 commercial passage lock features a 2 3/4" standard backset, accommodates door thickness from 1 3/8" to 1 3/4", and includes a 1/2" latchbolt throw for reliable operation. UL-cUL fire-rated up to 3 hours and ADA compliant for accessibility requirements.

Professional Features & Benefits

  • Door Compatibility: Standard 2 3/4" backset with adjustable range from 2 3/8" to 2 3/4" accommodates various door preparations.
  • Door Thickness Range: Fits doors from 1 3/8" minimum to 1 3/4" maximum thickness for versatile installation options.
  • Grade 1 Commercial Construction: ANSI/BHMA A156.4 Grade 1 rated for heavy-duty commercial applications and high-traffic environments.
  • Non-Handed Design: Universal installation eliminates field confusion and reduces inventory requirements for contractors.
  • Fire Rating Compliance: UL-cUL fire-rated up to 3 hours for code compliance in fire-rated door assemblies.
  • ADA Accessibility: Americans with Disabilities Act compliant design meets accessibility requirements for commercial buildings.
  • Decorative Hardware Options: Available with Studio Collection, Coastal Series, and standard trim options including roseless configurations.
  • Manufacturer Warranty: 10 Year Limited warranty provides confidence and protection for commercial installations.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness between 1 3/8" and 1 3/4", and backset requirements from 2 3/8" to 2 3/4".
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door surfaces for tubular lock installation.
  3. Prepare door by drilling required holes per manufacturer specifications, ensuring proper alignment for smooth operation.
  4. Install tubular lock mechanism and secure all mounting hardware per manufacturer torque specifications.
  5. Adjust latchbolt operation for proper 1/2" throw and verify smooth lever operation throughout full range of motion.
  6. Test passage function to verify proper operation and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Multi-Tenant Residential Properties
  • High-End Apartment and Condominium Projects
  • Government and Municipal Buildings
  • Interior Office and Conference Room Applications

Why Choose Sargent Quality?

Sargent DL Series tubular locks deliver professional-grade reliability with Grade 1 commercial construction rated for heavy-duty applications. UL-cUL fire-rated up to 3 hours and backed by 10 Year Limited warranty coverage. Engineered for demanding commercial applications where dependable performance and code compliance are essential.

Product Specs

Series:
DL Series
Grade:
Grade 1
Keyed Function:
Non-Keyed
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Subcategory:
Bored Locks
Keyed:
No
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Lock Function:
Passage
Product Type:
Bored Locksets
Duty Level:
Medium Duty
Handle Type:
Lever
Product Attribute:
Cylindrical Locks
Product Function:
Passage/Hall/Closet
Product Category:
Mechanical Locks
Collection:
DL Series
Department:
Door Hardware

Sargent 28-DLU15-TO-A-10BE – Frequently Asked Questions

1) What is the DLU15 passage lock used for?
The DLU15 is a passage function lock for doors that require no locking mechanism. Common applications include hallways, closets, and interior doors where privacy is not needed. The lever operates freely from both sides.
2) What door thickness does the DLU15 accommodate?
Standard DL series locks fit doors from 1-3/8" to 1-3/4" thick. Verify your door thickness before installation. Extended spindles may be available for thicker doors through special order.
3) How do I determine the correct handing for this lock?
Passage locks are typically non-handed and work on either left or right swing doors. The DLU15 installs the same regardless of door swing direction. Check the manufacturer template for any handing considerations.
4) What backset does the DLU15 use?
Most DL series locks come with 2-3/8" backset standard. Some models offer adjustable or 2-3/4" backset options. Verify the backset measurement from door edge to center of bore hole before ordering.
5) What grade rating does this lock have?
Sargent DL series locks typically meet ANSI Grade 2 commercial standards. This provides durability for moderate to heavy use applications. Check product specifications for exact grade certification.
6) Does this lock meet ADA compliance requirements?
Lever handles typically meet ADA requirements for accessible hardware. The operating force should be 5 pounds maximum. Verify specific ADA compliance in the product documentation for your application.
7) What finish options are available for the DLU15?
Common finishes include satin chrome, bright brass, and oil rubbed bronze. Availability varies by model. Check the specific finish options for your DLU15 configuration when ordering.
8) What tools are needed for installation?
Basic installation requires a screwdriver and may need a drill for pilot holes. Use the manufacturer template for proper alignment. Follow the installation instructions for torque specifications on mounting screws.
9) How do I adjust the lever tension?
Most DL series locks have factory-set lever tension. If adjustment is needed, check for tension screws on the mechanism. Consult the installation manual for proper adjustment procedures to avoid damage.
10) Are replacement parts available for this lock?
Yes, Sargent offers replacement parts for DL series locks including levers, roses, and internal mechanisms. Contact the manufacturer with your model number for specific part availability.
11) What other models are similar to the DLU15?
Other DL series passage locks include various lever styles and finishes. Consider privacy or entry function models if locking capability is needed. Browse our door hardware section for similar options.
12) How do I maintain this lock for long-term performance?
Clean regularly with mild soap and water. Avoid abrasive cleaners that can damage the finish. Lubricate the mechanism annually with light machine oil. Check mounting screws periodically for tightness.
How fast can I get the Sargent 28-DLU15-TO-A-10BE delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sargent 28-DLU15-TO-A-10BE come with a warranty?
Absolutely. The Sargent 28-DLU15-TO-A-10BE is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sargent 28-DLU15-TO-A-10BE?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Sargent 28-DLU15-TO-A-10BE from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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