Home › DeVilbiss › Accessories › In-line air adjusting valve« Back to previous category In-line air adjusting valve Description Description Code: 811.HAV-501-B Fits neatly in-line at the gun air inlet Increase or decrease working pressure at the gun Calibrated up to 11 Bar (160 psi) DeVilbiss Related products No paintComplementary productsSHIM-MASK by DeVilbiss Read more DeVilbissToolsFinish Line regulation and filtration systems Read more DeVilbissAccessoriesSpray gun service kit Read more