Patent ID: 7624964

Claim:
A valve for controlling fluid flow comprising a body provided with fluid passageways and having an inlet and an outlet such that more than one of said passageways lead to said outlet, the valve comprising one or more valve members for inhibiting fluid flow through the passageways, and means for moving the one or more valve members so as to provide for controlled flow of fluid from the inlet to the outlet by moving a lifting member to open one or more of said passageways, wherein one or more of each of the valve members is in the form of a flexible blade, one end of which is mounted at a location remote from the passageways; and wherein the means of moving the one or more of the valve members is arranged to act on the other end of the blade whereby to control fluid flow through the passageway, and a sealing member provided around the periphery of the inlet, the blade having a degree of stiffness such that it provides a force tending to keep the blade in contact with the sealing member.