2S Series Normally Closed Solenoid Valve
The 2S series is a normally closed, two-position two-way solenoid valve. The catalog matrix covers 1/4-inch to 2-inch ports and lists both threaded models and F-suffix flanged models; the media column lists air, water, oil and gas.
Product features
Normally closed, two-position two-way construction. The model table covers port sizes from 1/4 inch to 2 inches. Both threaded connections and F-suffix flanged models are listed. Operating temperature is -5 to 80°C; the fluororubber-diaphragm version is listed at -10 to 120°C.
Series operating conditions
| Medium | Working pressure (kgf/cm²) | Operating temperature (°C) |
|---|---|---|
| Air | 0–10 | -5–80; fluororubber diaphragm -10–120 |
| Water | 0–7 | -5–80; fluororubber diaphragm -10–120 |
| Oil | 0–7 | -5–80; fluororubber diaphragm -10–120 |
| Gas | Not stated | -5–80; fluororubber diaphragm -10–120 |
Model parameters
| Model | Port (inch) | Orifice (mm) | Cv | A (mm) | B (mm) | C (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 2S025-08 | 1/4 | 3 | 0.28 | 34 | 42 | 78 | 0.34 |
| 2S040-10 | 3/8 | 4 | 0.6 | 38 | 71 | 95 | 0.56 |
| 2S160-15 | 1/2 | 16 | 4.8 | 68 | 56 | 112 | 0.73 |
| 2S200-20 | 3/4 | 20 | 7.6 | 72 | 56 | 117 | 0.83 |
| 2S250-25 | 1 | 25 | 12 | 98 | 76 | 125 | 1.14 |
| 2S350-35 | 1-1/4 | 30 | 18 | 115 | 86 | 155 | 2.22 |
| 2S400-40 | 1-1/2 | 36 | 24 | 120 | 94 | 165 | 2.45 |
| 2S500-50 | 2 | 50 | 48 | 165 | 120 | 190 | 4.18 |
| 2S160-15F | 1/2 | 16 | 4.8 | 108 | 93 | 145 | 1.70 |
| 2S200-20F | 3/4 | 20 | 7.6 | 110 | 100 | 150 | 1.90 |
| 2S250-25F | 1 | 25 | 12 | 135 | 108 | 155 | 2.56 |
| 2S350-35F | 1-1/4 | 30 | 18 | 150 | 130 | 195 | 4.40 |
| 2S400-40F | 1-1/2 | 36 | 24 | 160 | 140 | 215 | 5.20 |
| 2S500-50F | 2 | 50 | 48 | 185 | 160 | 235 | 7.40 |
Applications
On/off control for the air, water, oil and gas lines listed in the catalog. The catalog does not state a separate gas-pressure limit, so that operating condition must be confirmed during selection.