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Solenoid of solenoid valve

Here is a solenoid valve. It is a normally closed, which is mean, it is normally closed the valve. Vice versa, there is also normally open, which is mean, it is normally open the valve until it supplied with electric power to pull the rod. This type of solenoid available DC and AC current source.

What my concern here are how it work? How do I calculate its power requirement (Voltage, current), and its output power to force or to pull the rod so it close or open the valve as I explained above. What should be calculate here, is it B (magnetic field), or F (force)? And how to calculate it?

AirCraft Lover
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    Read the device's data sheet. – Andy aka Dec 19 '19 at 10:47
  • Well the voltage is written on the label. The current is something you could measure. – user253751 Dec 19 '19 at 11:09
  • [I disagree with] those who associated my post/question to that one. They absolutely are different. I am asking How do I calculate its output power. Very clear I explained in the body what I was asking. Absolutely, this is not product specific. It is general or theoritical. [Edited by a moderator to comply with the Code of Conduct.] – AirCraft Lover Dec 19 '19 at 19:32
  • @user253751, you need to read before commenting. My whole question is about how to calculate the power of the rod by the solenoid. I also asked, what should I calculate, should be B (magnetic field), or F (force). Intuitively, thrust to the solenoid rod is a force, so it should be something like force, Newton. – AirCraft Lover Dec 20 '19 at 04:03
  • @Andyaka, no datasheet available. Moreover, I am asking how to calculate. – AirCraft Lover Dec 20 '19 at 04:04
  • Try this for a start or this – Andy aka Dec 20 '19 at 08:13

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