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 HIGHFLOWPRO S-314VKIT Coupler & Plug Kit – (V-Style, Purple) – 1/4″ NPT, (14-Piece)

 (253)

$24.48 $18.38 (as of May 30, 2020 – 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)

 (736)

$15.44 ($7.72 / Coupler and plug kit) $10.40 ($5.20 / Coupler and plug kit) (as of May 30, 2020 – 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 Coupler & Plug Kit (14 Piece), A-Style 1/4″ NPT Green

 (44)

$19.72 $16.22 (as of May 30, 2020 – 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)

 (11)

$15.72 $11.21 (as of May 30, 2020 – 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

 (361)

$14.28 ($1.78 / oz) $14.15 ($1.77 / oz) (as of May 30, 2020 – 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 HIGHFLOWPRO 764VC Pneumatic Coupler – (V-Style, Purple) – 1/4″ NPT Female, (Box of 10)

 (73)

$35.90 (as of May 30, 2020 – 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 HIGHFLOWPRO 760VC-20 Pneumatic Plugs – (V-Style, Purple) – 1/4″ NPT Male, (Box of 20)

 (142)

$17.34 $12.00 (as of May 30, 2020 – 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.)