초록 ▼

A valve arrangement for aggressive fluids which includes plastic components with a closing member being mounted within the valve body for movement toward and away from a valve seat to control the flow of the fluid. A pivotally mounted two-armed lever is provided with one arm projecting through a mov

A valve arrangement for aggressive fluids which includes plastic components with a closing member being mounted within the valve body for movement toward and away from a valve seat to control the flow of the fluid. A pivotally mounted two-armed lever is provided with one arm projecting through a movable seal and having at least a portion thereof accommodated within the closing member. The other arm of the lever is selectively acted upon by an actuating element so that the closing member is selectively displaced toward and away from the valve seat.

대표청구항 ▼

A valve arrangement for aggressive fluids, the arrangement comprising: a plurality of plastic components including a valve body with inlet and outlet connections, a valve seat, means selectively movable toward and away from the valve seat for controlling a flow of the aggressive fluid, guide means f

A valve arrangement for aggressive fluids, the arrangement comprising: a plurality of plastic components including a valve body with inlet and outlet connections, a valve seat, means selectively movable toward and away from the valve seat for controlling a flow of the aggressive fluid, guide means for guiding the movement of said controlling means in a direction perpendicular to a valve seat plane, a two-armed lever means pivotally mounted on an axle extending substantially parallel to the plane of the valve seat, means provided in said controlling means for accommodating a first of said two-armed lever means, said first arm of said two-armed lever means extending substantially parallel to the plane of the valve seat, the other arm of said two-armed lever means extending substantially at a right angle to said first arm, an actuating means operatively associated with said other arm, a movable seal interposed between said other arm and said controlling means, the movable seal having an end portion terminating in proximity to the pivot axis of said two-armed lever means, said seal being fashioned as a diaphragm bellows having a hose-like extension adjoining a central area thereof with one of said extension being closed and with said extension extending over the length of said first arm and encompassing the same.