A regulating insert for insertion in a valve housing or the like in a flowing medium, comprising comprises a pre-setting means for regulation andor setting of amounts of liquid in installations with flowing media for the limitation of the medium to a pre-set maximum amount, independently of a differential pressure working across the valve. The evaporated fuel treatment device includes a positive pressure adjusting valve which opens when an inner pressure of a fuel tank becomes a predetermined pressure or more, and a spherical rollover valve which closes the positive pressure adjusting valve when the fuel tank is inclined at an angle equal to or larger than a predetermined angle. The interface assembly includes a first channel configured to receive a flexible tension member and a first chuck disposed in the first channel. In a specific embodiment is n an odd number larger than 4.