Flowfit Hydraulic Single Acting Hand Pump Trailer / Tipper Kit Flowfit Single Acting Hydraulic Hand pump Trailer / Tipper Kits These all in one single acting hydraulic trailer Kits consists of the following, easy to assemble, components which will allow you to lift the weight and distance as shown against the part number. Single acting hand pump complete with tank and lever, single acting hydraulic cylinder, 3 metres of hose and all required adaptors and washers. Please note all lifting figures are based on a straight vertical lift. All standard Hand pumps are suitable for general outdoor usage, for some applications where the environment exceed the standard performance characteristics laid down, other precautions should be taken to protect the product during storage and or operation.