12V DC 1/2″ Electric Solenoid Water Air Valve Switch (Normally Closed)

(6 customer reviews)

In stock

SKU: 31396
  1. Rated Operating Voltage: 12V DC
  2. Rated Current: 1A
  3. Operation Mode: NC (Normally Closed)
  4. Pressure: 0.02 – 0.8MPa
  5. Max fluid temperature: 100°C


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Brand: Generic
Category: Solenoids and Electromagnets

12V DC Solenoid Water Air Valve Switch (Normally Closed) – 1/2″ controls the flow of fluid (liquid or air) and acts as a valve between high-pressure fluid! This liquid valve would make a great addition to your robotic gardening project. There are two ½” (Nominal NPT) outlets. Normally, the valve is closed. When a 12V DC supply is applied to the two terminals, the valve opens and water can push through.

The valve works with the solenoid coil which operates electronically with DC 12 volt supply. As it is a normally closed assembly, it opens the flow of fluids as soon as it is powered ON and stops/blocks the flow when the supply voltage removed.

 While Connecting Valve in Flow pipeline, you need to mind the Input and Output direction of the valve. It will work only if you connect it in the right direction. (Hint: Inside the value, at one side you will find the filter this is the input side of the value)

Note: Product image may vary from the actual product.


  1. Compact and convenient.
  2. Easily installed and serviced
  3. Precise and reliable.
  4. The installation direction can be arbitrary Angle
  5. Pressure-regulating valve (steady flow valve) function similar to the water flow switch
  6. Not only can it provide a steady flow, but it also prevents the dry burning.
  7. Suitable for fluids like water, oil, air.

Package Includes:

1 x 12V Solenoid Water Air Valve Switch (Normally Closed) – 1/2″

Please note it is not suitable for use with gravity fed systems

SKU: 31396 Category:
Rated Operating Voltage (VDC)


Rated Current (mA)


Operation Mode

Normally Closed

Power Consumption (Watt)



0.02- 0.8Mpa

Energized forms


Inlet and outlet Dimeter

Hose barbs for 1/2" (outer diameter) hose

Dimensions (mm) LxWxH

Body: 84 x 57mm (L x H)
Coil size: 34 x 23mm (W x H)

Weight (gm)


Max fluid temperature


Shipment Weight

0.12 kg

Shipment Dimensions

10 × 8 × 5 cm

15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 6 reviews

4.5 overall

Add a review

  1. ysunilkumar06 (verified owner)

    Nice product


  2. Valmiki Nayak (verified owner)

    Works without a hitch. Now more than six months passed and still works well. No leakage, no issues at all. Awesome !!

    Valmiki Nayak


    what is the delivery time period of the product to visakapatanm


  4. Prakash.M (verified owner)



  5. Dinesh Tundalwar (verified owner)

    Very good quality

    Dinesh Tundalwar

  6. Surjit Singh

    To day I have installed your above product it
    is working properly.

    Surjit Singh

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Questions and answers of the customers

  1. 0 votes

    No. It is not waterproof. You need to cover the... Read more

  2. 0 votes
    Q what type of dc connector to use for wiring terminals? answer now
    Asked by prashantnitdgp on September 16, 2021 10:14 am

    you can directly solder the wires for better co... Read more

  3. 0 votes
    Q is this well tested..? does it have any warranty..? answer now
    Asked by sanjaynegi24jul on September 30, 2020 9:50 am
    A Yes, it has 15 days warranty from the date of deli... Read more
  4. 1 vote
    Q How does it work? What is normally Closed? answer now
    Asked by Nitin Zanwar on August 8, 2020 12:10 pm
    Answered by the admin Watch the video to understand how it works http... Read more
  5. 1 vote
    Q What is operating voltage range? Will it work on 9V ? answer now
    Asked by swap_gore on June 20, 2020 3:58 pm
    Answered by the admin No, it will not work on 9V DC. As mention on produ... Read more
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Country Of Origin: China