
| Model | Size (G) | Orifice (mm) | Working Pressure (kgf/cm²) | CV | Weight(kg) |
|---|---|---|---|---|---|
| 2S020-08 | 1/4″ | 2 | air:0-10, water:0-6, oil:0-5 | 0.23 | 0.38 |
| 2S040-10 | 3/8″ | 4 | air:0-10, water:0-6, oil:0-5 | 0.6 | 0.58 |
| 2S160-15 | 1/2″ | 16 | air:0-10, water:0-6, oil:0-5 | 4.8 | 0.73 |
| 2S200-20 | 3/4″ | 20 | air:0-10, water:0-6, oil:0-5 | 7.6 | 0.82 |
| 2S250-25 | 1″ | 25 | air:0-10, water:0-6, oil:0-5 | 12 | 1.02 |
| 2S350-35 | 1 1/4″ | 35 | air:0-10, water:0-6, oil:0-5 | 24 | 2.33 |
| 2S400-40 | 1 1/2″ | 38 | air:0-10, water:0-6, oil:0-5 | 29 | 2.67 |
| 2S500-50 | 2″ | 45 | air:0-10, water:0-6, oil:0-5 | 48 | 3.25 |
FAQ for 2S040-10 Solenoid Valve
Q: Is the 2S040-10 solenoid valve suitable for drinking water? A: The standard 2S040-10 model features a brass body and NBR seal. While it is excellent for general water systems, air lines, and small-scale fluid control, it is not NSF-certified for potable (drinking) water. It is best suited for industrial machinery, pneumatic automation, and general water circulation systems.
Q: Does the 2S040-10 require a minimum pressure to operate? A: Like the larger models in our 2S series, the 2S040-10 is a direct-acting valve. It functions effectively from 0 PSI, making it highly reliable for low-pressure gravity-fed systems, small pumps, or systems where consistent pressure cannot be guaranteed.
Q: What is the difference between Normally Closed (NC) and Normally Open (NO) for this model? A: The 2S025-08 is typically configured as Normally Closed (NC), meaning it remains closed when the power is off and opens when the coil is energized. This provides an essential safety feature, as the valve will shut off fluid flow automatically if power is lost, preventing leaks or overflows in your system.
Q: How do I choose the correct voltage for my 2S040-10 valve? A: The coil voltage must match your power source.
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12V DC / 24V DC: Ideal for compact, battery-powered automation or mobile applications.
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110V AC / 220V AC: Standard for fixed industrial control panels, residential, and commercial setups.
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Note: Ensure your power supply matches the label on the valve coil to avoid overheating or failure.
Q: Can I use the 2S040-10 for diesel or light oil? A: Yes, the 2S025-08’s NBR seal is compatible with diesel, light oils, and non-corrosive liquids. However, avoid usage with highly aggressive chemicals or high-temperature steam (exceeding 80°C). If your application involves high-temperature fluids or aggressive chemicals, please contact our team to discuss an FKM-upgraded version.






