L & L Sales and Service, Inc.
JAMESWAY Semi-Trans Piston Pumps


The Semi-Trans is capable of transferring semi-solid manure long distances with low power requirements. The 7.5HP hydraulic power unit makes the Semi-Trans an excellent choice for use with single phase electricity or anywhere that power availability may be limited.

The Semi-Trans pump is equipped with a 5" hydraulic cylinder and a heavy gauge 20" diameter stainless steel pumping cylinder. The Semi-Trans has a 16" inlet and a 16" diameter outlet, and the pumping chamber is equipped with heavy steel flapper doors. Manure is drawn into the pump chamber during the upstroke and pushed out during the downstroke. The flappers act as check valves so that manure may only flow toward the storage.

Semi-Trans pumps are always mounted in a dry pit. This may be beside a reception pit with a suction tube through the wall, or the pump can be equipped with a hopper inlet for use with cross-gutter cleaners. Depending on the type of manure and the distance to the storage, the output is either 16" or 12" diameter SDR 26 PVC pipe. Steel 16" pipe is also available.

Semi-Trans pumps are intended for use in semi-solid manure with no long bedding. Short bedding or sand bedding are acceptable. When using sand bedding it is important that no water be added to dilute the manure. A high water content will cause sand to settle in the transfer pipe and rapidly block the pipe. Higher water content is acceptable with organic bedding.

Air Risers may be installed along the length of the pipe. This kit includes a 6" diameter pipe that is attached in a Y-joint to the manure pipe and runs vertically to end above ground level. Compressed air may then be used to rapidly push manure forward and scour the pipe clean. This is a normal maintenance with sand bedding. Air risers are also recommended with organic bedding on systems with a long pipe to allow easy access in case of line plugging.