|Assembly No.*||Description||Body Mat'l||Set Pressure** (psig)||Set Pressure** Vacuum (psig)||Flow Capacity Out-breathing||Flow Capacity In-breathing||Dim. A||Dim. B||Dim. C||Dim. D (Threads)||Wt. (lbs.)|
|6238AL*||FVA MC306 Normal Vent||Alum.||0.8 to 1.0||0.25 to 0.375||1,750 CFH @ 3 psi||3,350 CFH @ 1 psi||.72"||4.16"||2.75"||1 5/8-12UN||1.0 lb.|
|6238SL*||FVA MC306 Normal Vent||303 SS||0.8 to 1.0||0.25 to 0.375||1,750 CFH @ 3 psi||3,350 CFH @ 1 psi||.72"||4.16"||2.75"||1 5/8-12UN||2.5 lbs.|
|6496AL*||PPV DOT406 Normal |
|Alum.||1.0 to 1.5||0.25 to 0.375||1,200 CFH @ 3 psi||3,350 CFH @ 1 psi||.72"||4.16"||2.75"||1 5/8-12UN||1.0 lb.|
|6496SL*||PPV DOT406 Normal |
|303 SS||1.0 to 1.5||0.25 to 0.375||1,200 CFH @ 3 psi||3,350 CFH @ 1 psi||.72"||4.16"||2.75"||1 5/8-12UN||2.5 lbs.|
|* Add letters to part number to designate seal material. See material table below for designation.
** Proper maintenance is required to ensure effective performance of normal vent. Dust, dirt, or residue will reduce the ability of the vent to hold required set-pressure.
|B||Buna-N||-40°F to +220°F|
|V||Viton®||-20°F to +400°F|
|EP||EPDM (Black)||-40°F to +260°F|
Betts prides itself in being able to provide products that meet a customer’s specific needs. As a result we do offer modifications to our product standards. While not every request is always feasible, we do our best to meet your specific needs. In many cases this modification is noted by adding a suffix to the end of the standard part number. The following is a non-inclusive list of common options that are available for this product line . If the options listed below do not meet your requirements please contact one of Betts’ Customer Service Representatives for further assistance. Please note that some product modifications may result in extended lead times.
Commonly Requested Options:
Suffix “277” – Normal vent with 35x35x.012 screen. Image 6496AL_277