NATIONAL GUARD Door Threshold: Saddle, Aluminum
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 425-4) with a fluted transition type. 3G Electric sources this genuine industrial threshold as part of our broader capability across 14…
SKU 3G-OTH-505152
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Product Description
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 425-4) with a fluted transition type. 3G Electric sources this genuine industrial threshold as part of our broader capability across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor for brands including Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the NATIONAL GUARD 425-4 door threshold used for?
The NATIONAL GUARD 425-4 is a 4 ft aluminum saddle threshold with a fluted transition type. It is used to seal the gap under doors, preventing drafts, moisture, and debris entry in commercial or industrial doorways. 3G Electric supplies this genuine threshold as part of our broader industrial sourcing capability.
What are the specifications of the NATIONAL GUARD 425-4 threshold?
The NATIONAL GUARD 425-4 is a 4 ft long aluminum saddle threshold with a fluted transition type. The manufacturer part number is 425-4. It is designed for door bottom sealing applications. 3G Electric sources this genuine NATIONAL GUARD product for industrial facilities worldwide.
Where to buy the NATIONAL GUARD 425-4 threshold worldwide?
3G Electric supplies the NATIONAL GUARD 425-4 aluminum saddle threshold to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine NATIONAL GUARD thresholds and support procurement across 14 industrial departments.
How to install the NATIONAL GUARD 425-4 saddle threshold?
Install the NATIONAL GUARD 425-4 by measuring the door opening, cutting the aluminum threshold to fit if needed, and securing it with appropriate fasteners into the subfloor. Ensure the fluted transition faces the interior for proper sealing. 3G Electric provides sourcing support but recommends following manufacturer guidelines for installation.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD saddle thresholds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









