A flow restrictor for drainage systems having a body with an aperture through the body through which fluid flows and a mounting surface for mounting the flow restrictor on or in a drain outlet; and a restrictor portion; wherein said restrictor portion is movable from a first position to a second position in order to...

The invention relates to a locking means 1 for constraining axial movement of a first pipe 2 relative to a second pipe 3 when an end portion of the first pipe 2 is located in a socket 4 of the second pipe 3, the socket 4 having a radially outward projecting portion 5, the locking means 1 comprising: an anchoring mea...

The invention relates to a pipe joint 1 having an inlet 20 and an outlet 22, the pipe joint comprising an elongate sleeve 2 having a flexible portion 3 for accommodating expansion and/or contraction between said inlet and outlet, and an axially adjacent rigid portion 4 providing one of said inlet 20 or outlet 22; an...