The 2W400-40 / SUW-40 solenoid valve is 1 1/2" inch Stainless Steel Solenoid Valve. It's two way two position direct acting diaphragm electric solenoid valve with available voltage AC220V, AV110V, DC24V and DC12V. It can be used for liquid , air, water, gas in a variety of different applications. This valve uses NBR or Viton seal material that is compatible with many liquid such as water up to 80°C. The valve is normally closed, closed when de-energized and open when energized. It is capable of operating at zero differential pressure.
The 2W400-40 / SUW-40 electric valve has four coil with voltage AC220V, AV110V, DC24V and DC12V. The coil head is fitted with a wire lead connection that can easily be connected with your own choice of terminals. This model is mountable in any position and features a conveniently positioned arrow on the body to indicate the direction of flow. Its response time is very low; in fact, it acts in less than one second, making it a great choice for all types of applications.
YouTube video of 1 1/2 inch SUW-40 Uni-D Type Diaphragm Valve:
Overall dimension of 1 1/2'' 2S400-40 UNI-D Type Solenoid Valve:
Details enlargement of 2S400-40 SUW-40 2 Way Electromagnetic Valve:
Specifications of 2S, SUS & SUW Series Normally Closed Electric Solenoid Valve:
Brando No
2S025-06
2S025-08
2S040-10
2S160-10
2S160-15
2S200-20
2S250-25
2S350-35
2S400-40
2S500-50
Ref. No
SUS-6
SUS-8
SUS-10
SUW-10
SUW-15
SUW-20
SUW-25
SUW-35
SUW-40
SUW-50
Working medium
Air, Inert Gas, Liquid, Vacuum
Valve type
2 way, normally closed (NC)
Body material
Stainless steel 304
Wetted Surface
Valve Body: Stainless Steel
Seals: NBR (Buna); Option: Viton (FKM)
Armature Assembly: Stainless Steel
Operation
Direct Acting, Uni-Directional, Zero Differential
Port size
1/8''
1/4''
3/8''
3/8''
1/2''
3/4''
1''
1 1/4''
1 1/2''
2''
Operating
pressure
0 to 1.0mpa
Operating
temperature
Media: -5 to 80°C (NBR Seal), -5 to 120°C (Viton Seal); Ambient: -5 to 45°C
Fluid viscosity
Below 20cst
Different sizes of Stainless Steel Normally Closed Unid Type Solenoid Valve:
Common Probelm: My solenoid valve is not working. What could be wrong?
Point 1: The seal material is compatible with the medium that’s being put through the valve Solution 1: Make sure there is a proper electrical connection (voltage, current, frequency) Use a multimeter to test all components.
Point 2: The valve seal and orifice are free from debris. Solution 2: The installed position of the valve is correct. Some valves will only work in certain positions.
Point 3: The valve operates within the specific pressure range. Some valves have minimum pressures requirements to function properly. Solution 3: The coil is disconnected or burned out. Check your wiring to the coil and confirm the valve is receiving the correct specifications. OHMs can be checked to determine if the coil has burned out.
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