| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Kaeser Products > Compressed Air Piping > 3 to 8 Inch (in) Nominal Diameter Aluminum Compressed Air Equal Unions > Advanced Search Advanced Search in 3 to 8 Inch (in) Nominal Diameter Aluminum Compressed Air Equal Unions Enter at least one criteria to search items. Diameter D (mm) No Preference 100 150 200 63 80 Dimension L (in) 4-1/2 5-5/16 5-3/4 Dimension A (in) No Preference 3-7/8 4.5 5-1/16 7-3/8 9-7/16 Nominal Diameter (in) 3 4 6 8 Nominal Diameter (mm) 100 150 200 80 Outside Diameter (in) 3-5/16 4 6 8-1/16 Outside Diameter (mm) 84.8 101.8 153 205 Inside Diameter (in) 3-1/8 3-13/16 5-13/16 7-13/16 Inside Diameter (mm) 80 96.8 147.5 198.6 Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook