Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze - Adjustable-Mount Door Closers
LCNAdjustable-Mount Door Closers

LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze

The LCN 4031-RW/PA DKBRZ is a Grade 1 heavy-duty, bronze adjustable-mount door closer (non-hold open type) for interior/exterior use. It features an adjustable spring (size 4) and measures 10 3/8 inches in length…

SKU 3G-OTH-505961

Brand
LCN
Item
Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze
Category
Adjustable-Mount Door Closers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LCN
Manufacturer Part Number
4031-RW/PA DKBRZ
Type
Grade 1 - Heavy Duty, Bronze
Lg
10 3/8 in
Closer Type
Non-Hold Open
Spring Size
4
Spring Type
Adjustable
Location Use
Interior/Exterior
Product Type
Door Closer
ADA Compliant
Yes
Closer Series
4031
Performance Rating
Grade 1 - Heavy Duty
Performance Duty Rating
1
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LCN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LCN 4031-RW/PA DKBRZ is a Grade 1 heavy-duty, bronze adjustable-mount door closer (non-hold open type) for interior/exterior use. It features an adjustable spring (size 4) and measures 10 3/8 inches in length. This ADA-compliant closer is part of the 4031 series, designed for parallel/standard mounting.

Frequently Asked Questions

What is the LCN 4031-RW/PA DKBRZ door closer used for?

The LCN 4031-RW/PA DKBRZ is a Grade 1 heavy-duty door closer for interior or exterior use. It controls door closing speed on commercial or industrial doors, ensuring ADA-compliant operation. Its adjustable spring (size 4) suits medium-to-heavy doors in high-traffic areas.

What are the specifications of the LCN 4031-RW/PA DKBRZ door closer?

This LCN 4031 series closer is Grade 1 heavy-duty, bronze, non-hold open type, with an adjustable spring size 4. It measures 10 3/8 in length, supports parallel/standard mounting, and is ADA compliant. Use it on interior or exterior doors.

Where to buy the LCN 4031-RW/PA DKBRZ door closer worldwide?

3G Electric supplies the LCN 4031-RW/PA DKBRZ door closer worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Grade 1 heavy-duty closer.

How to install the LCN 4031-RW/PA DKBRZ door closer?

Install the LCN 4031-RW/PA DKBRZ per the manufacturer's template for parallel or standard mounting. Adjust the spring size 4 for proper closing force. Ensure the closer is level and securely fastened. Test for ADA-compliant opening force and smooth operation.

Used in

Common applications for LCN
Manufacturing quality control — LCN Force Gauge (ADA/FG) for verifying spring tension in assembly lines
Packaging industry — LCN Force Gauge for testing seal strength or compression of packaging materials
Maintenance and repair — LCN Force Gauge for checking actuation force of mechanical switches or valves
Material testing — LCN Force Gauge for measuring force in simple tensile or compressive tests on small components
Educational labs — LCN Force Gauge for demonstrating basic force measurement principles in engineering courses

LCN Products

3G Electric supplies LCN adjustable-mount door closers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from LCN

View all LCN parts →
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze, 12 1/4 in Lg, 2 1/4 in Wd (MPN 4040XP-Rw/PA DKBRZ). Key specifications — Manufacturer Part Number: 4040XP-Rw/PA DKBRZ; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze, 12 1/4 in Lg, 2 1/4 in Wd (MPN 4040XP-Rw/PA DKBRZ). Key specifications — Manufacturer Part Number: 4040XP-Rw/PA DKBRZ; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Aluminum (MPN 4040XP-RW/PA AL SRI). Key specifications — Manufacturer Part Number: 4040XP-RW/PA AL SRI; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Aluminum (MPN 4040XP-RW/PA AL SRI). Key specifications — Manufacturer Part Number: 4040XP-RW/PA AL SRI; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze, 12 1/4 in Lg (MPN 4040XP-RW/PA LTBRZ). Key specifications — Manufacturer Part Number: 4040XP-RW/PA LTBRZ; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze, 12 1/4 in Lg (MPN 4040XP-RW/PA LTBRZ). Key specifications — Manufacturer Part Number: 4040XP-RW/PA LTBRZ; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN Door Closer: Parallel/Std Mounting Type, Grade 2 - Medium Duty, Bronze, 12 1/4 in Lg (MPN 1461-RW/PA BRASS). Key specifications — Manufacturer Part Number: 1461-RW/PA BRASS; Brand: LCN; Closer Series: 1460; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN
LCN Door Closer: Parallel/Std Mounting Type, Grade 2 - Medium Duty, Bronze, 12 1/4 in Lg (MPN 1461-RW/PA BRASS). Key specifications — Manufacturer Part Number: 1461-RW/PA BRASS; Brand: LCN; Closer Series: 1460; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Aluminum, 10 3/8 in Lg (MPN 4031-RW/PA AL). Key specifications — Manufacturer Part Number: 4031-RW/PA AL; Brand: LCN; Closer Series: 4031; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 4.
LCN
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Aluminum, 10 3/8 in Lg (MPN 4031-RW/PA AL). Key specifications — Manufacturer Part Number: 4031-RW/PA AL; Brand: LCN; Closer Series: 4031; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 4.
LCN Door Closer: Parallel/Std/Top Frame Mounting Type, Grade 1 - Heavy Duty, Aluminum (MPN 4041-RW/PA AL DEL). Key specifications — Manufacturer Part Number: 4041-RW/PA AL DEL; Brand: LCN; Closer Series: LCN 4040; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN
LCN Door Closer: Parallel/Std/Top Frame Mounting Type, Grade 1 - Heavy Duty, Aluminum (MPN 4041-RW/PA AL DEL). Key specifications — Manufacturer Part Number: 4041-RW/PA AL DEL; Brand: LCN; Closer Series: LCN 4040; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze, 10 3/8 in Lg, 2 7/8 in Wd (MPN 4031-RW/PA BRASS). Key specifications — Manufacturer Part Number: 4031-RW/PA BRASS; Brand: LCN; Closer Series: 4031; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 4.
LCN
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Bronze, 10 3/8 in Lg, 2 7/8 in Wd (MPN 4031-RW/PA BRASS). Key specifications — Manufacturer Part Number: 4031-RW/PA BRASS; Brand: LCN; Closer Series: 4031; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 4.
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Aluminum, 12 1/8 in Lg (MPN 4040XP-RW/PA AL). Key specifications — Manufacturer Part Number: 4040XP-RW/PA AL; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.
LCN
LCN Door Closer: Parallel/Std Mounting Type, Grade 1 - Heavy Duty, Aluminum, 12 1/8 in Lg (MPN 4040XP-RW/PA AL). Key specifications — Manufacturer Part Number: 4040XP-RW/PA AL; Brand: LCN; Closer Series: 4040XP; Closer Type: Non-Hold Open; Location Use: Interior/Exterior; Spring Type: Adjustable; Product Type: Door Closer; Spring Size: 6.