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LCN 4631-3971 4630 Series Cylinder Only
The 4630 and 4640 series operators are designed primarily for manually opening applications that sometimes require an automatic opening. They are backed by a 2-year limited warranty, are UL and cUL listed, meet ANSI/BHMA 156.19, meet the American Disabilities Act (ADA) and ANSI A117.1 requirements for accessibility. The 4630 and 4640 series are best for multi-door applications and provide easy access for the elderly and people with disabilities. The digital control box provides fast and accurate adjustments and the “no destruct” drive system resists damage.
Features:
- Digital control box
- On-board power supply
- Factory default memory
- On-board diagnostics
- 2-year warranty
- Plug-and-play connections
- Installs without guard rails or safety mats
- Wood and machine screws
Specifications:
- Certifications: Grade 1 - ANSI A117.1, A156.19, UL 10C, UL 325/228, ADA, 100 hour salt spray, meets BAA - buy American Act
- Body Construction:
- Cast iron body
- Full complement bearing
- 1-1⁄2" diameter piston
- 3⁄4" diameter double heat treated pinion journal
- Fluid: All weather fluid
- Handing: Non-handed
- Size: Adjustable spring size 1-4
- Cover: Metal Cover (MC)
- Fasteners: Wood and machine screws (WMS)
- Mounting: Top jamb (pull side)
- Arms: Standard single lever arm and track
Manufacturer Resources
LCN Full Line Catalog
Product Specs
- Category:
- Door Controls
- Series:
- 4630 Series
- Mounting Detail:
- Surface - Top Jamb (Pull Side)
- Warranty:
- 2 Year
- Mounting:
- Surface Mount
- Closer Size:
- 1
- Mounting Location:
- Pull Side
- Subcategory:
- Parts and Accessories
- Product Group:
- Door Controls
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Door Controls
- Hold Open:
- Yes
- Finish Type:
- Powder Coat
- Substrate:
- Iron
- Commercial/Residential:
- Commercial
- Closer Size:
- 2
- Closer Size:
- 3
- Closer Size:
- 4
LCN 4631-3971-AL – Frequently Asked Questions
How fast can I get the LCN 4631-3971-AL delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 LCN 4631-3971-AL come with a warranty?
Absolutely. The LCN 4631-3971-AL 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 LCN 4631-3971-AL?
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 LCN 4631-3971-AL 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.