NATIONAL GUARD Automatic Door Bottom: Dual Fin Insert, Aluminum, 48 in Lg, 1 1/2 in Wd
The NATIONAL GUARD Automatic Door Bottom (Dual Fin Insert, MPN 320S-4) is an aluminum door bottom measuring 48 inches in length and 1 1/2 inches in width. It is constructed from aluminum and designed for use as a…
SKU 3G-OTH-515154
Also listed as: 320S4 · 320S 4
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The NATIONAL GUARD Automatic Door Bottom (Dual Fin Insert, MPN 320S-4) is an aluminum door bottom measuring 48 inches in length and 1 1/2 inches in width. It is constructed from aluminum and designed for use as a door bottom seal.
Frequently Asked Questions
What is the NATIONAL GUARD Automatic Door Bottom 320S-4 used for?
The NATIONAL GUARD 320S-4 is an automatic door bottom with a dual fin insert, used to seal the gap under doors in commercial and industrial facilities. It helps block drafts, dust, light, and sound, improving energy efficiency and indoor environmental control.
What are the specifications of the NATIONAL GUARD 320S-4?
The NATIONAL GUARD 320S-4 automatic door bottom measures 48 inches in length and 1 1/2 inches in width. It is constructed from aluminum with a dual fin insert. The manufacturer part number is 320S-4, and the brand is NATIONAL GUARD.
Where to buy the NATIONAL GUARD 320S-4 worldwide?
3G Electric supplies the NATIONAL GUARD 320S-4 automatic door bottom to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this item.
How to install the NATIONAL GUARD 320S-4 automatic door bottom?
Install the NATIONAL GUARD 320S-4 by cutting it to the exact door width, then mounting it to the bottom of the door using the provided screws. Ensure the dual fin insert contacts the floor evenly when the door closes. Follow standard door-bottom installation practices for best results.
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.
