• 603-L 603 Series Standard Heavy Flange – Flat Type with Pilot

• 604-F 604 Series Standard Heavy Curved Type Flange

• 604-GS 604 Series Standard Heavy Curved Type Flange

• 604-H 604 Series Standard Heavy Curved Type Flange

• 604-J 604 Series Standard Heavy Curved Type Flange

• 604-K 604 Series Standard Heavy Curved Type Flange

• 604-M 604 Series Standard Heavy Curved Type Flange

• 604-R 604 Series Standard Heavy Curved Type Flange

• 605-A 605 Series Standard Heavy Flange – Flat Type No Pilot

• 605-AR 605 Series Standard Heavy Flange – Flat Type No Pilot

• 605-B 605 Series Standard Heavy Flange – Flat Type No Pilot

• 605-BR 605 Series Standard Heavy Flange – Flat Type No Pilot