Code 61 vs code 62 - Which Flange Do You Actually Need?
If you've ever spent a greasy afternoon working on heavy machinery, you've probably had to figure out the difference between code 61 vs code 62 flanges. At a quick glance, they look almost exactly the same—a round, flat face with an O-ring groove and four bolt holes. But if you try to swap one for the other, you're going to run into a world of frustration. They might look like twins, but in the world of hydraulics, they're more like cousins who don't get along. ...