Compressor Air Lines and Fittings

[nashville_bill]

I just bought a larger air compressor and air blaster. Now I'm trying to determine the size of air line couplers to use with my 1/2" regulator/filter and 1/2" hose. I found a 1/2" RapidAir kit, but the couplers in the kit are 3/8" or 1/4". Wouldn't the restriction of the couplers cause a reduction of CFM of the compressed air at the blaster?

Thanks for your help,

Bill

 

[bob15]

I like Parker RF series 1/4 couplers. They are a high flow design. Can be purchased cheap enough on the Zoro website

http://www.parker.com/Literature/Quick%20Coupling/catalog_sections/RF%20Series-Catalog%203800_SectionA.pdf

 

[larry_g]

I just bought a larger air compressor and air blaster. Now I'm trying to determine the size of air line couplers to use with my 1/2" regulator/filter and 1/2" hose. I found a 1/2" RapidAir kit, but the couplers in the kit are 3/8" or 1/4". Wouldn't the restriction of the couplers cause a reduction of CFM of the compressed air at the blaster?

Thanks for your help,

Bill

A bit more information is needed on your compressor. Larger? did you go from 1hp to 3hp or 10hp to 25 hp? What is the CFM rating of the compressor. What is a air blaster? What CFM does it require? Details man, details.

lg
no neat sig line

 

[nashville_bill]

Larry_g,

My new compressor has a 5 hp motor, a 60 gallon tank and is rated at 15.5 CFM @ 90 PSI.
My new blaster (AllSource VacBlast Siphon Abrasive Blaster — 125-Lb. Capacity, 28 Gallon, Model# 41700) suggests 15 CFM @ 90 PSI, but is said to work at 11 CFM @ 90 PSI.

Thanks,

Bill

 

[sberry]

The smaller fittings wont matter. It only makes and uses so much air regardless of the hose size on the main, 1/2 or 3/4, the small volume and small tools don't know. Especially with a blaster. Heavy impacts are slightly more sensitive to this as they use more air than the compressor can put out in bursts. Even a common automotive style coupler is rated to pass 35 cfm and your use is 1/2 that. Mechanics been using those for decades till the internet came along.

 

[nashville_bill]

Thanks for the information!

Bill