RSV is a pilot operated diaphragm solenoid valve for automatic watering of protected horticulture, urban greenery, parks, golf courses and farmland. Continuously energized and latch pulse signal types are available. It has low water hammer and a self-cleaning filter. Ports are Rc3/4 to Rc3 (bronze body) and flange 40 to 100 (cast iron body).


| Working Fluid | Agricultural water |
| Valve Structure | Pilot operated diaphragm, with flow rate adjusting and manual operation mechanisms |
| Max. Working Pressure | 1 MPa |
| Working Pressure Differential | 0.03 to 1 MPa (20A to 50F), 0.05 to 1 MPa (65A to 80F), 0.1 to 1 MPa (100F) |
| Proof Pressure | 3 MPa (water pressure) (2 MPa for 100F) |
| Fluid Temperature | 5 to 60 °C (no freezing) |
| Ambient Temperature | 0 to 60 °C |
| Valve Seat Leakage | 0.1 cm³/min or less (water pressure) |
| Specifications by Model | 20A: Rc3/4, orifice 25 mm, Cv 13, 2.1 kg | 25A: Rc1, 25 mm, Cv 14, 2.2 kg | 32A: Rc1 1/4, 50 mm, Cv 29, 3.9 kg | 40A: Rc1 1/2, 50 mm, Cv 35, 4.1 kg | 40F: flange 40, 50 mm, Cv 35, 8.6 kg | 50A: Rc2, 50 mm, Cv 46.5, 4.7 kg | 50F: flange 50, 50 mm, Cv 46.5, 9.6 kg | 65A: Rc2 1/2, 80 mm, Cv 82, 10.9 kg | 65F: flange 65, 80 mm, Cv 82, 17.4 kg | 80A: Rc3, 80 mm, Cv 97, 11.4 kg | 80F: flange 80, 80 mm, Cv 97, 18.4 kg | 100F: flange 100 (made-to-order), 98 mm, Cv 180, 42 kg |
| Body Material | Bronze (K, screw-in 20A to 80A) / cast iron (flange 40F to 100F) |
| Connection | Screw-in (Rc) / flange JIS 10K |
| Max. Operating Frequency | 1 time/min. or less (0.3 times/min. for 100F) |
| Mounting Orientation | Mount with coil on top |
| Degree of Protection | IP67 equivalent (excluding the terminal box equipped coil) |
| Drive Method / Voltage | Continuously energized: 24 VDC, 24/100/200 VAC (50/60 Hz) / latch pulse signal: P type (voltage selection unnecessary) |
| Power Consumption | AC 2.5 W, DC 3 W |
| Thermal Class | Class 130 (B) (JIS C 4003) |
| Leakage Current | 6 mA or less (24 VAC), 1.9 mA or less (100 VAC), 0.7 mA or less (200 VAC), 4 mA or less (24 VDC) |