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Series 8300 Quiet Vents

The 8300 Series Quiet Vents are designed to provide high EMI shielding performance of up to 90 dB attenuation with very low costs. These vents are offered as an alternative to perforated metal or slots to reduce turbulence and noise by providing an unrestricted and quiet airflow. Shielding performance is achieved from two 1/4 inch thick honeycomb panels assembled in a cross cell configuration. The panels are mounted in high strength extruded aluminum frames with optional captive fasteners or thru holes as detailed below. Frame to enclosure shielding comes from Twinseal.

Vents & Filters Specifications

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Fastener/Hole Locations For the height (A) and the width (B) use the chart to determine number and location of the captive fasteners or through holes per side.
	Standard Length Number Of Fasteners C D 3" (A or B) 4" (A or B) 5" (A Only) 5" (B Only) 6" (A or B) 7" (A or B) 8" (A Only) 8" (B Only) 9" (A or B) 10" (A or B) 12" (A or B) 14" (A or B) 16" (A or B) 1 1 1 2 2 2 2 3 3 3 4 4 5 1.25" 1.75" 2.25" .75" 1.00" 1.50" 2.00" .75" .75" 1.25" 1.25" 1.50" 1.25" NA NA NA 3.00" 3.50" 3.50" 3.50" 3.00" 3.50" 3.50" 3.00" 3.50" 3.25"

	Frame Style 1a and 1b Style 1a has captive fasteners. Style 1b has through holes. Frame finish is MIL-C-5541 Chem Film. Other finishes can be supplied if required.
Sequential Numbers For Standard Frame Sizes
Vertical Size (A) of Frame Horizontal Size (B) of Frame 3" 4" 5" 6" 7" 8" 9" 10" 12" 14" 16" 3" 4" 5" 6" 7" 8" 9" 10" 12" 14" 16" 0303 0403 0503 0603 0703 0803 0903 1003 1203 1403 1603 0304 0404 0504 0604 0704 0804 0904 1004 1204 1404 1604 0305 0405 0505 0605 0705 0805 0905 1005 1205 1405 1605 0306 0406 0506 0606 0706 0806 0906 1006 1206 1406 1606 0307 0407 0507 0607 0707 0807 0907 1007 1207 1407 1607 0308 0408 0508 0608 0708 0808 0908 1008 1208 1408 1608 0309 0409 0509 0609 0709 0809 0909 1009 1209 1409 1609 0310 0410 0510 0610 0710 0810 0910 1010 1210 1410 1610 0312 0412 0512 0612 0712 0812 0912 1012 1212 1412 1612 0314 0414 0514 0614 0714 0814 0914 1014 1214 1414 1614 0316 0416 0516 0616 0716 0816 0916 1016 1216 1416 1616

Example: 8301-3200-0506

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