Documentary: Air fittings and their impact on tool performance. (Part 1, Initial findings)

I’ve used high flow fittings with my air system for some time now. I was impressed with the “seat of the pants” performance increase. I always wondered how much difference there actually was. Here are my findings:

Here are the results:

(purple) V style flowed 15.25 SCFM
(red) M style flowed 11 SCFM
(green) A style flowed 11 SCFM
(blue) T style flowed 11 SCFM

Bores measured:
(purple) V style 0.3″
(red) M style 0.2″
(green) A style 0.2″
(blue) T style 0.2″

Milton S-314VKIT Kit, 14pc Hi-Flo V style 1/4″, Purple

 (762)

$36.33 $18.38 (as of January 19, 2021 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

ColorFit by Milton Coupler & Plug Kit – (M-Style, Red) – 1/4″ NPT, (14-Piece)

 (3028)

$22.15 ($11.08 / Coupler and plug kit) $10.40 ($5.20 / Coupler and plug kit) (as of January 19, 2021 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Milton ColorFit Coupler & Plug Kit (14 Piece), A-Style 1/4 NPT Green, S-314AKIT

 (146)

$21.36 $11.21 (as of January 19, 2021 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

ColorFit by Milton Coupler & Plug Kit – (T-Style, Blue) – 1/4″ NPT, (14-Piece)

 (35)

$15.18 $11.21 (as of January 19, 2021 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Milton S-217 1/4″ NPT V Style Coupler and Plug Kit – 6 Piece

 (669)

$14.37 $14.15 (as of January 19, 2021 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Milton 764VC ColorFit HighFlowPRO Couplers, V-style Purple, 1/4″ NPT Female, Box of 10

 (160)

$37.99 $31.99 (as of January 19, 2021 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Milton 760VC-20 ColorFit HighFlowPRO Plugs, V-style Purple, 1/4″ NPT Male, Box of 20

 (339)

$17.04 $12.00 (as of January 19, 2021 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)