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Topic Review (Newest First)
06-01-2011 02:00 AM
Coverfire That's what I was asking, thank you. The seller I bought it from called it a 3818 but the regulator tag said 3810-580 which I thought that indicated the indivudal model. That is honestly more preferable because the 3810 has a more useable range for planted tanks.
05-31-2011 10:54 PM
oldpunk78
Quote:
Originally Posted by Coverfire View Post
Any thoughts on whether the tag that says 3810-580 is for the specific model number or just the series it is in?
Sorry for the bad pic...



The arrow is pointing to what you've got. The other string of numbers is the build number.
05-31-2011 07:00 PM
Coverfire Any thoughts on whether the tag that says 3810-580 is for the specific model number or just the series it is in?
05-30-2011 12:42 AM
Coverfire
Quote:
Originally Posted by oldpunk78 View Post
the matheson 3810 is a 100psi regulator. it came with a 200psi gauge.

the 3816 has a 400psi gauge.

(google matheson 3810 and look for the pdf)
Well I have already checked out the pdf info and supposedly the one I am to receive is a 3818 which came with a 0-400 gauge. That is because off the top of my head I think the operating pressure is from 15-350 or so. However the serial code only states 3810, I can't tell if thats a part of the series of 3810 or if its for the individual model. That being said it might be wise to get a smaller range so it will be easier to measure pressure. I was either thinking getting a 0-200 for nearly all applications (other than this hobby alone) or a 0-100 because it is easier to obtain. I would appreciate some help on the post body setup and would like to do all stainless but may have to wait a little while before I can purchase.
05-29-2011 08:39 PM
oldpunk78
Quote:
Originally Posted by Coverfire View Post

After I finish with the regulator I will likely piece together a post body kit consisting of a Clippard Mouse solenoid and a Swagelok metering valve. I would appreciate some input on this and the best method of constructing that setup.
Bettatail has already made some post bodies using these parts. Send him a pm. I bet he'll help you out.
05-29-2011 08:33 PM
Bettatail
Quote:
Originally Posted by oldpunk78 View Post
the matheson 3810 is a 100psi regulator. it came with a 200psi gauge.

the 3816 has a 400psi gauge.

(google matheson 3810 and look for the pdf)
good info!
05-29-2011 07:55 PM
oldpunk78 the matheson 3810 is a 100psi regulator. it came with a 200psi gauge.

the 3816 has a 400psi gauge.

(google matheson 3810 and look for the pdf)
05-29-2011 04:05 PM
Hoppy A 0-400 psi output regulator is not a good CO2 regulator, for our uses. We need to adjust the pressure to 10-30 psi, which would not read at all accurately on a 400 psi gauge. You can use a lower pressure gauge, but then you stand a very good chance of overpresssuring it and ruining it.
05-29-2011 07:03 AM
Bettatail The bay ID, western stainless steel nipple and nut
250810507297
250810507282
05-29-2011 06:51 AM
Mr. Fisher Stainless CGA320 nipple (>2"): $24
Stainless CGA320 nut: $24
Stainless in-port filter: $13
All plus shipping.
Pm me for the website.

COntact customer support at Matheson and ask them for the proper part number. Stainless is more expensive than brass generally speaking. But a stainless gauge (new) will run you about $50. You can try to find a used one, but good luck...these stainless units are harder to find. They are not like a model 8.

Sometimes the replacement gauges will not match exactly. If you're a stickler like I am, you can replace both gauges at the same time and save the good gauge for the next vintage regulator you pick up.

Again, PM me if you need any help.
05-29-2011 05:22 AM
Bettatail You can get the cga 320 nipple and nut from airgas for under $10. If you want the stainless steel nipple and nut, go to evil bay, the price is about $40-$50.

The LP gauge, it is hard to find a stainless steel one, probably you can order it from airgas, not cheap.
if you want a regular brass 0-400 psi from evil bay, have to wait until you see one.
05-29-2011 04:58 AM
Coverfire I thought about it but my local shops probably don't stock it and I am afraid that ordering it might be a bit pricey. I'm not opposed to finding a used one and have been scouring ebay for one.
05-29-2011 04:56 AM
jkan0228 Maybe go to the wielding shop for the gauge?
05-29-2011 04:52 AM
Coverfire
Matheson 3810 Build

I recently acquired a Matheson 3810 stainless regulator, however it does not have a low pressure gauge and I need to switch out the stem on it (cga 580) to a cga 320.

Where is the best place to obtain a low pressure gauge that is a 316 stainless Matheson gauge with a range from preferably 0-400 psi because I would like to keep it as original as possible?

Additionally I would like to find a short stainless cga nipple and nut because I only have a 5lb tank and I am worried that it might tip over from the weight of the regulator with too long of a stem. I am having trouble locating this and considered using an adapter but it would only add length to the setup.

After I finish with the regulator I will likely piece together a post body kit consisting of a Clippard Mouse solenoid and a Swagelok metering valve. I would appreciate some input on this and the best method of constructing that setup.

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