Sumisansui Irrigation Systems
Reusable, Gentle, Uniform Overhead Watering for Farms
Sumisansui irrigation delivers uniform overhead watering in a rectangular spray pattern designed to match real farm beds and field layouts.
Unlike traditional impact sprinklers that cause overlap, puddling, and dry spots, Sumisansui produces a gentle, even rainfall that improves germination, reduces runoff, and increases water-use efficiency.
- Improves seed germination consistency
- Reduces water waste and runoff
- Saves labor with fast deployment and retrieval
- Reusable and durable construction
- Designed and manufactured in Japan
These systems are trusted by vegetable growers, flower farmers, turf managers, and field crop producers worldwide.
Research from Michigan State University evaluates overhead tube irrigation performance, including coverage consistency and application efficiency.
Which Sumisansui Model Is Right for You?
Sumisansui offers multiple spray angles and coverage widths depending on field size, pressure availability, and crop type.
Sumi Rain
Best for large fields and high-volume irrigation systems
- Spray Width: 42–52 ft
- Tube Length: 328 ft
- Operating Pressure: 22–36 psi
- Integration: 2" irrigation systems
Sumi Rain is the largest and most durable option in the Sumisansui lineup. Ideal for commercial vegetable farms and broad-acre irrigation.
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R-Wide
Best for wind resistance and medium-width coverage
- Spray Width: 22–32 ft
- Tube Length: 25–328 ft
- Operating Pressure: 15–30 psi
- Integration: Drip tape systems, timer systems, garden hose connection
R-Wide provides wider coverage with improved wind resistance, making it ideal for open fields.
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Mark 3
Best for versatile field and bed irrigation
- Spray Angle: 45°
- Spray Width: 15–16 ft
- Tube Length: 25–328 ft
- Operating Pressure: 6–12 psi
- Integration: Drip tape systems, timer systems, garden hose connection
Mark 3 offers balanced coverage and moderate pressure requirements, making it a flexible option for many vegetable growers.
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Mark 2
Best for low-pressure systems and smaller beds
- Spray Angle: 60°
- Spray Width: 6.5–13 ft
- Tube Length: 25–328 ft
- Operating Pressure: 3–12 psi
- Integration: Drip tape systems, timer systems, garden hose connection
Mark 2 is ideal for market gardens, high tunnels, seed germination, and operations with lower available water pressure.
Shop Mark 2Why Choose Sumisansui Over Traditional Sprinklers?
- Rectangular spray pattern matches bed layouts
- More uniform coverage than impact sprinklers
- Lower evaporation and runoff
- Reusable and long-lasting construction
- Reduces labor during setup and takedown
If consistent germination and efficient water use matter on your farm, Sumisansui overhead irrigation is a system worth considering.