Abstract: Devices and methods for evenly distributing sludge, including manure and industrial sludge, to numerous hoses, over a large range of sludge supply pressures. Some devices include a housing having an inlet for receiving sludge under pressure and several outlets disposed outwardly through the housing cylindrical wall for coupling to hoses. The devices can include a rotating plate within the housing sweeping one or more baffles over the outlets to momentarily occlude the outlets and reduce flow through the occluded outlets. The baffles can include a first portion secured to the plate and a second portion removably secured to the first portion and/or the plate. Changing the total length of the baffles can change the affective cross-sectional area of the outlets available for flow at any instant in time.

Abstract: Devices, methods, and systems for providing portable dredging flotation hoses capable of being wound on reels in a reduced volume configuration and transported to dredging sites. Some dredge flotation hoses include a first lay-flat hose disposed about a second, inner lay-flat hose and sealed at both ends of the first lay-flat hose to form an inflatable annular space therebetween. Some devices have a coupling member at either end of the lay-flat hoses to receive and couple the inner lay-flat hose within the outer lay-flat hose and provide external access to the channel flowing through the inner lay-flat hose. A closeable orifice can be provided through the body of the coupling device to allow inflation of the annular volume between the inner and outer lay-flat hoses. Lay-flat hose pairs having sizes of 3 and 4 inches to 10 and 12 inches, and other combinations are provided by the present invention.