Welding Neck Flanges:
        Class 150 Class 900
 Class 300        Class 1500
 Class 400        Class 2500
 Class 600 

Slip-On Flanges:
        Class 150 Class 600
 Class 300        Class 900
 Class 400        Class 1500

Lap Joint Flanges:
        Class 150        Class 900
 Class 300       Class 1500
 Class 400       Class 2500
 Class 600 

Socket Welding Flanges:
        Class 150 Class 600
 Class 300        Class 1500

Threaded Flanges:
        Class 150        Class 900
 Class 300        Class 1500
 Class 400        Class 2500
 Class 600 

Blind Flanges:
        Class 150 Class 900
 Class 300        Class 1500
 Class 400        Class 2500
 Class 600