Flanges are connections used in fluid power systems. Code 61 flanges are referred to as standard. They are used for
pressure between 3000 and 5000 PSI depending on the size. Code 62 flanges are rated for 6000 psi for all sizes. There also
is a series of flanges that have a thicker flange head that are also rated at 6000 psi for all sizes. All are available..