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″

ColorFit by Milton Coupler & Plug Kit – (M-Style, Red) – 1/4″ NPT, (14-Piece) – S-314MKIT

(6544)

$22.99 (as of May 27, 2023 10:09 GMT -04:00 – 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-314VKIT Kit, 14pc Hi-Flo V style 1/4″, Purple

(2203)

$36.33 $28.95 (as of May 27, 2023 10:09 GMT -04:00 – 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

(274)

$79.95 $66.47 (as of May 27, 2023 10:09 GMT -04:00 – 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

(696)

$26.91 (as of May 27, 2023 10:09 GMT -04:00 – 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

(350)

$22.15 $20.47 (as of May 27, 2023 10:09 GMT -04:00 – 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) – S-314TKIT

(97)

$22.99 (as of May 27, 2023 22:09 GMT -04:00 – 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.)