S&P AIR CONTROL
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Pertanyaan umum tentang S&P AIR CONTROL dari 3G Electric.
What is the difference between the DCFL-D and WDV-130 series from S&P AIR CONTROL?
The DCFL-D series uses a 37° blade angle, which is optimized for moderate wind-driven rain conditions while maintaining higher free area for airflow. The WDV-130 series uses a 90° blade angle, which provides greater resistance to water penetration in high-wind scenarios but may reduce free area. Both series are rated for a maximum air velocity of 1250 fpm and are constructed from aluminum with a flush-mount, hat-channel design. Selection depends on the specific rain rejection requirements and allowable pressure drop for the application.
What sizes are available for S&P AIR CONTROL wind-driven rain louvers?
S&P AIR CONTROL wind-driven rain louvers are available in a range of standard sizes, from 11 1/2 inches to 47 1/2 inches in both height and width. Common configurations include 12x12, 18x18, 24x24, 30x18, 36x48, and 48x48 inches. The flush-mount design allows these louvers to fit into standard wall openings without custom framing. For non-standard dimensions, custom fabrication may be required, but 3G Electric stocks multiple SKUs to cover typical project needs.
What is the maximum air velocity rating for S&P AIR CONTROL louvers?
Both the DCFL-D and WDV-130 series from S&P AIR CONTROL are rated for a maximum air velocity of 1250 feet per minute (fpm). This rating indicates the highest face velocity at which the louver can operate while maintaining its specified water rejection performance. Exceeding this velocity may lead to increased water carryover. Engineers should calculate the required free area based on airflow volume to ensure the face velocity stays within this limit.
Are S&P AIR CONTROL louvers suitable for coastal or corrosive environments?
S&P AIR CONTROL wind-driven rain louvers are constructed from aluminum, which offers natural corrosion resistance in many outdoor environments, including coastal areas. However, for severe marine or industrial corrosive conditions, additional coatings or anodizing may be necessary. The standard aluminum construction is suitable for most commercial and industrial applications, but buyers should evaluate the specific environmental exposure and consult with 3G Electric for any special material requirements.
How do I select the correct S&P AIR CONTROL louver size for my project?
Selection begins with determining the required airflow volume (CFM) and the allowable face velocity (maximum 1250 fpm). Divide the CFM by the face velocity to calculate the required free area. Then, choose a louver size from the available dimensions that provides at least that free area. The DCFL-D series typically offers higher free area due to the 37° blade angle, while the WDV-130 series may require a larger unit for the same airflow. Verify the free area data from the manufacturer's specifications for the exact model.
Does 3G Electric supply S&P AIR CONTROL products?
Yes — 3G Electric (S) Pte. Ltd. supplies S&P AIR CONTROL products. We stock the S&P AIR CONTROL catalog and supply genuine factory-original products with full manufacturer warranty and technical support.



























