NATIONAL GUARD Door Weatherstripping: Bulb, Screw-In Mounting, EPDM, 4 ft Overall Lg
The NATIONAL GUARD Door Weatherstripping (MPN 137NDKB-48) is a 4 ft black EPDM bulb seal with screw-in mounting, designed for adjustable door perimeter sealing. 3G Electric interprets demand and delivers this genuine…
SKU 3G-OTH-512246
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Product Description
The NATIONAL GUARD Door Weatherstripping (MPN 137NDKB-48) is a 4 ft black EPDM bulb seal with screw-in mounting, designed for adjustable door perimeter sealing. 3G Electric interprets demand and delivers this genuine industrial part across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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 NATIONAL GUARD Door Weatherstripping used for?
This NATIONAL GUARD 137NDKB-48 bulb seal is used for adjustable door perimeter sealing in industrial and commercial facilities. It blocks drafts, dust, and moisture around doors, improving energy efficiency and environmental control. 3G Electric supplies this genuine part across 14 industrial departments, with specialist depth in combustion, pumps and controls.
What are the specifications of NATIONAL GUARD 137NDKB-48?
The NATIONAL GUARD 137NDKB-48 is a 4 ft long, black EPDM bulb seal with screw-in mounting. It features a bulb seal shape and is designed for adjustable door perimeter sealing. The material is EPDM rubber, offering durability and weather resistance. 3G Electric sources and delivers this genuine part globally.
Where to buy NATIONAL GUARD Door Weatherstripping worldwide?
3G Electric supplies and delivers the NATIONAL GUARD 137NDKB-48 door weatherstripping worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure delivery to your facility. Contact us for availability and lead time on this genuine EPDM bulb seal.
How to install NATIONAL GUARD screw-in door seal?
To install the NATIONAL GUARD 137NDKB-48, position the bulb seal along the door perimeter, then drive screws through the pre-formed mounting holes into the door frame. Adjust the seal compression for a tight fit. Ensure the surface is clean and dry before mounting. 3G Electric provides sourcing support for this and related sealing products.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD adjustable screw-mount door perimeter seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









