A check valve housing for a check valve is provided and includes check valve housing body. First and second hinge supports extend from the check valve housing body. A stop is coupled to the first and second hinge supports. The first hinge support includes a first hinge pin interface having a first hinge pin hole to receive a hinge pin. A ratio of a diameter of the first hinge pin hole to a thickness of the first hinge pin interface is between 2.44 and 2.66.