A Chicago Fitting (also called a Duck’s foot fitting due
to its shape) is one quarter turn fitting used for attaching hoses or piping
together. Chicago fittings are used on both low to medium pressure gas and
fluid lines. The advantage of the Chicago fitting is that it can be used in a
wide range of industries. Where as the Deluth fitting which is a similar in
size and shape is only acceptable for use in the dairy industry. An additional
advantage of a Chicago fitting is that there is no male or female fitting; both
fittings are identical.