barbarossa4122;60035 said:OK. But, I was told that it was tested and it worked. I'll switch it if I must.
I had to switch several of my burkerts around when I found out, too. I spoke with the engineers at burkert about this issue. Both sides are not identical. The "P" side is for pressurized gas. The "A" side is the side that needs to connect to the needle valve.
They are not designed to work with a reverse gas flow. They can, but are not designed to.
Not many people know what they are doing when it comes to installing these things (I was included in this group till the Burkert engineers tested my brand new solenoid and educated me as to why it wouldn't close).
They look at the description, which says it's 2-way unit, and automatically assume that there is no difference between the sides.
This is totally incorrect.
on the NPT side, "T" is the pressurized side (closest to the regulator) and "N" is the needle valve side.
"P" on the obverse side and "A" towards the neelde valve.
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