Description
The Koshin SEV-25L (code 050-000) is a 1″ petrol water pump powered by Koshin’s own KC26 two-stroke engine. Koshin rates it at up to 110 litres per minute and 32 metres of head, with a maximum suction lift of 8 metres. At 5.5 kg it is the lightest pump in the SEV range and easy to carry to a pond, water butt or stream by its handle.
If you need more volume, the 2″ Koshin SEV-50X moves up to 620 l/min with a four-stroke engine that runs on plain unleaded petrol. For a 1″ pump with a Honda engine, see the Koshin SEH range.
Koshin builds the SEV-25L with a die-cast aluminium pump housing, impeller and volute to keep the weight down, and a carbon and ceramic mechanical seal. The 26 cc KC26 engine is designed only for petrol pre-mixed with two-stroke oil at 50:1, which Koshin says uses half the oil of a typical 25:1 two-stroke mix. A 0.6 litre tank gives about 50 minutes of running, and the engine starts with a recoil starter. The pump has 1″ BSP male threaded connections and measures 358 x 263 x 323 mm. Koshin supplies it with a strainer, two hose couplings, three hose bands and an engine tool set.
Features
- Koshin KC26 two-stroke petrol engine, 26 cc
- Up to 110 l/min and 32 m head
- Maximum suction lift of 8 m
- 1″ BSP male threaded connections
- Die-cast aluminium housing, impeller and volute
- Carbon and ceramic mechanical seal
- 5.5 kg, about 50 minutes on a 0.6 L tank
Applications
- Allotment and garden watering from ponds, streams and water butts
- Small sprinklers and hose watering
- Emptying small ponds, tanks and water features of clean water
- Washing down where there is no mains water
The SEV-25L runs only on 50:1 two-stroke mix: never fill it with plain unleaded petrol. The SEV is a clear water pump. It is not designed for muddy floodwater, sludge, sewage or water carrying stones and debris: for dirty water, see the Koshin STH semi-trash pumps, and for heavier solids the Koshin KTH compact trash pumps. Fill the casing with water before starting and never run the pump dry. Do not use it to pump petrol, oil or any other flammable liquid.
The Koshin SEV range
| Model | Connections | Engine | Max flow (l/min) | Max head (m) | Fuel tank (L) | Run time per tank | Net weight (kg) |
|---|---|---|---|---|---|---|---|
| SEV-25L | 1″ | Koshin KC26 two-stroke, 26 cc | 110 | 32 | 0.6 | About 50 minutes | 5.5 |
| SEV-50X | 2″ | Koshin K180 four-stroke, 179 cc | 620 | 27 | 3.6 | About 2.6 hours | 25.2 |
| SEV-80X | 3″ | Koshin K180 four-stroke, 179 cc | 1,050 | 27 | 3.6 | About 2.4 hours | 28.7 |
Figures are from Koshin’s catalogue and data sheets. Every model has a maximum suction lift of 8 m. See the Koshin SEV petrol water pumps range page for help choosing and answers to common questions.
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