CLASS A

• Loads of 1 - 60 psi.
• Recommended for pedestrian, bicycles and wheel chair traffic.

CLASS B

• Loads of 61 - 175 psi.
• Recommended for medium-duty pneumatic tire traffic, autos and light trucks at speeds less than 20 mph.

CLASS C

• Loads of 176 - 325 psi.
• Recommended for heavy-duty pneumatic tire forklifts and tractor trailers at speeds less than 20 mph, H-20 rated.

CLASS D

• Loads of 326 - 575 psi.
• Recommended for heavy-duty hard tire forklifts at speeds less than 20 mph, H-20 rated.