|07-28-2014 11:49 PM|
I'm using a Clippard MNV-4 needle valve on my Atomic Co2 regulator that has a fixed working PSI of around 30psi (that's what it levels out to after a while). I can't seem to reliably adjust my Bubbles down to 1 bps. After a few days, I have to re-adjust the needle valve. I'm only about 1/8 to 1/4 turn out from Fully closed. Interestingly, adjusting the needle valve requires me to crank it open a bit, close it, and crank it open again. Going back to about the same needle position.
I was thinking of switching to a fabco nv55 but based on specs, It might be the same. Am I doing something wrong? or is there something out there that will not fluctuate as much. I've run other MNV-4 on about 20-30psi, but at a faster bubbles per seconds on larger tanks, seemed fine, I'm currently using this setup on a nano, about 3.5 gallons with an external reactor, so I don't need that many BPS. Any recommendations that doesn't exceed $60? and is readily available?
|07-20-2014 02:12 PM|
Which reminds me, I am overdue on my PM to bettatail.
|07-20-2014 07:38 AM|
What metering valve is it? I got a friend who needs one for his build, the 2 Hoke I brought never came (you guys know where that thread is) so now I'm stuck here trying to get my friend a metering valve so he won't end up with a fabco....
If it's the Parker H3 and below.... omg!
|07-19-2014 10:33 AM|
|AlanLe||the h0. it's too expensive. 1/8 tube fitting. all we are doing is raising the price. seller will profit.|
|07-19-2014 08:04 AM|
caution! something similar appear!
|05-30-2014 06:24 PM|
|04-21-2014 02:32 PM|
|04-21-2014 11:46 AM|
Cool, thanks, also I was wondering about the Chell ultra fine valves, are the for really small tanks or do they just give you a very accurate degree of control and can be used in large tanks, say 75-125 gallon?
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|04-21-2014 08:25 AM|
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|04-20-2014 04:59 PM|
|Bettatail||the ideal 2 series is ok, there is no problem to adjust the low bubble rate.|
|04-20-2014 04:24 PM|
|Seadon||Hey Betta, maybe you can help me understand something about the ideal 52-2-14 metering valve and the 52-1-x, I was told that the one you want is the 52-1-x due to the longer taper or the needle and larger orifice, the person who told me this said that unless you have a large tank, 120+gallons, you would have to run the 52-2 series almost completely closed. Is this true? I know there is some truth to what they are saying, the needle taper is finer and the orifice is 1/32" as opposed to 1/16", but does it really make it unuseable for a sub 100G tank? I have a 52-2-14 and I want to put it on my 29 gallon tank, is this practical? Thank you, and your posts have been immensely helpful in my understanding of pressurized gas setups.|
|04-13-2014 05:48 PM|
All Parker HR Series valves, the valve cartridge and the valve body are inter-changeable.
|11-18-2013 09:07 PM|
Wait a min, you're suppose to use a filter for these parkers? Where does one even go in these things?
2 micron particle filter?
BettaTails, where art thou?
|11-18-2013 06:39 PM|
I'm actually not even sure which version I'm getting since the ebay listing wasn't very clear. Guess I'll know when it gets here. Anyways, in your opinion, other than having to turn it many turns to get the desired bubble count(this is probably dependent on which version I get right? since you got the most precise version), if I set my output pressure to say 40psi, the needle valve should work fine right? Or should I set my output pressure higher?
Thanks for all the info btw. It was very helpful
|08-18-2013 05:03 PM|
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