Dayton 25"H-W 4.5"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H
The Dayton 25"H-W 4.5"L Aluminum Backdraft Damper (SKU 4HX67) is a ceiling/roof-mount backdraft damper designed for a 20-inch fan. It features a single-panel flat blade design with vertical airflow direction and…
SKU 3G-OTH-74762
- 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
- Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
- Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
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Deskripsi Produk
The Dayton 25"H-W 4.5"L Aluminum Backdraft Damper (SKU 4HX67) is a ceiling/roof-mount backdraft damper designed for a 20-inch fan. It features a single-panel flat blade design with vertical airflow direction and horizontal mounting, supporting a maximum air velocity of 2250 fpm. The unit measures 25 inches in height, 25 inches in width, and 2 inches in depth, with felt construction.
Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.
Pertanyaan yang Sering Diajukan
What is the Dayton 4HX67 backdraft damper used for?
The Dayton 4HX67 backdraft damper prevents reverse airflow in ceiling or roof exhaust systems. It mounts horizontally with a 20-inch fan, using a single-panel flat blade that opens under forward airflow and closes when the fan stops, maintaining ventilation efficiency.
What are the specifications of the Dayton 4HX67 backdraft damper?
The Dayton 4HX67 measures 25 in H by 25 in W by 2 in D, with a 4.5 in L collar. It handles vertical airflow at up to 2250 fpm, uses a flat blade, and is constructed from aluminum with felt seals. It is designed for horizontal mounting with a 20-inch fan.
Where to buy the Dayton 4HX67 backdraft damper worldwide?
3G Electric supplies the Dayton 4HX67 backdraft damper to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this item.
How to install the Dayton 4HX67 backdraft damper?
Mount the Dayton 4HX67 horizontally in the duct or roof curb, ensuring the airflow arrow points upward for vertical exhaust. Secure the flange with screws and seal joints with duct sealant. Verify the blade moves freely before connecting the fan. Follow local codes for safe installation.
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3G Electric memasok Dayton ceiling/roof-mount backdraft dampers. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.














