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NATIONAL GUARD Automatic Door Bottom: 36 in, 1 1/2 in, Aluminum, Black - Automatic Door Bottoms
NATIONAL GUARDAutomatic Door Bottoms

NATIONAL GUARD Automatic Door Bottom: 36 in, 1 1/2 in, Aluminum, Black

The NATIONAL GUARD Automatic Door Bottom (Dual Fin Insert, MPN 320S-3) is an aluminum, black door bottom measuring 36 inches in length and 1 1/2 inches in width. 3G Electric sources this genuine industrial product…

SKU 3G-OTH-515167

Also listed as: 320S3 · 320S 3

Brand
NATIONAL GUARD
Item
Automatic Door Bottom: 36 in, 1 1/2 in, Aluminum, Black
Part Number
320S-3
Category
Automatic Door Bottoms
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NATIONAL GUARD
Manufacturer Part Number
320S-3
Type
Aluminum, Black
Lg
36 in
Wd
1 1/2 in

Technical Documents

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

Product Description

The NATIONAL GUARD Automatic Door Bottom (Dual Fin Insert, MPN 320S-3) is an aluminum, black door bottom measuring 36 inches in length and 1 1/2 inches in width. 3G Electric sources this genuine industrial product across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment.

Frequently Asked Questions

What is the NATIONAL GUARD 320S-3 automatic door bottom used for?

The NATIONAL GUARD 320S-3 automatic door bottom seals the gap under a door to block light, sound, smoke, and drafts. It is commonly installed on commercial or industrial doors in offices, hospitals, and facilities requiring fire-rated or acoustic sealing. 3G Electric supplies this genuine product worldwide.

What are the specifications of the NATIONAL GUARD 320S-3 automatic door bottom?

The NATIONAL GUARD 320S-3 is an aluminum automatic door bottom with a dual fin insert. It measures 36 inches in length and 1 1/2 inches in width, finished in black. The manufacturer part number is 320S-3. 3G Electric sources this genuine industrial product across 14 departments.

Where to buy the NATIONAL GUARD 320S-3 automatic door bottom worldwide?

3G Electric supplies the NATIONAL GUARD 320S-3 automatic door bottom to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this genuine product for your facility.

How to install the NATIONAL GUARD 320S-3 automatic door bottom?

Install the NATIONAL GUARD 320S-3 by cutting it to door width, then screwing it to the bottom edge so the dual fin insert contacts the threshold. Ensure the door closes evenly for proper sealing. 3G Electric provides sourcing support but recommends following the manufacturer's installation guide.

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NATIONAL GUARD Products

3G Electric supplies NATIONAL GUARD automatic door bottoms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This automatic door bottom seals the gap under a door to block drafts, light, and sound. Made of aluminum, it measures 48 inches in length and 2 1/4 inches in width. Suitable for commercial and industrial door applications requiring a corrosion-resistant seal
This automatic door bottom seals the gap under a door to block drafts, light, and sound. It is commonly installed in commercial and industrial facilities to improve energy efficiency and room privacy. Constructed of aluminum with a single fin insert, it measures 36 inches in length and 1 3/8 inches in width
NATIONAL GUARD
This automatic door bottom seals the gap under a door to block drafts, light, and sound. It is commonly installed in commercial and industrial facilities to improve energy efficiency and room privacy. Constructed of aluminum with a single fin insert, it measures 36 inches in length and 1 3/8 inches in width

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