Abstract: A riser clamp for supporting fluid pipes in parallel with and spaced from an external surface of a tubular riser. The riser clamp includes at least one body portion which is arrangeable to form a clamp body which is substantially circular or partially circular, and a pipe saddle part. The clamp body encircles a clamp axis. The at least one body portion has an external surface which faces radially outwards and an internal surface which faces radially inwards. The pipe saddle part is provided to be separate and substantially planar, and is arranged to extend radially outwardly from the clamp body.

Abstract: A waste bin comprises a sorting space for sorting waste paper products from other types of waste, a movable separation element comprising a plurality of openings, a physical property sensing mechanism for detecting a physical property of waste received in the sorting space, a removal element for moving waste from the sorting space to a waste paper product compartment, and a control for controlling the movable separation element and the removal element. The movable separation element is configured to move upon the application of an external force exceeding a threshold value. The control is configured to operate the removal element or the movable separation element, based on a detection result of the physical property sensing mechanism. Further, a method of sorting waste paper products from other types of waste in such a waste bin is provided.

Abstract: A waste bin comprises a sorting space for sorting waste paper products from other types of waste, a movable separation element comprising a plurality of openings, a physical property sensing mechanism for detecting a physical property of waste received in the sorting space, a removal element for moving waste from the sorting space to a waste paper product compartment, and a control for controlling the movable separation element and the removal element. The movable separation element is configured to move upon the application of an external force exceeding a threshold value. The control is configured to operate the removal element or the movable separation element, based on a detection result of the physical property sensing mechanism. Further, a method of sorting waste paper products from other types of waste in such a waste bin is provided.

Abstract: A guide vane arrangement for axial fans, intended to translate the rotational component of the gas flow velocity after passage through the impeller (1) into a substantially axial velocity, including a ring (2) of guide vanes disposed downstream of the fan and in spaced relationship therewith. Alternate guide vanes are axially displaced with respect to the remaining ones, so that alternate guide vanes are at a first axial distance from the fan and the remainder are at a second axial distance from the fan. As an alternative, alternate guide vanes have a portion of the end part facing towards the fan removed, so that the forward edge of alternate guide vanes is at a first distance from the fan and the remaining guide vanes are at a second axial distance, and the guide vanes are non-uniformly distributed along the periphery of the ring.