Upgrades and Customizing - Expansion Chamber Vs Regulators

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Expansion Chamber Vs Regulators

Printed From: Tippmann Paintball
Category: Paintball Equipment
Forum Name: Upgrades and Customizing
Forum Description: Trick it out!
URL: http://www.tippmannsports.com/forum/wwf77a/forum_posts.asp?TID=156226
Printed Date: 15 January 2026 at 1:02pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Expansion Chamber Vs Regulators

Posted By: Chrisb319
Subject: Expansion Chamber Vs Regulators
Date Posted: 16 June 2006 at 5:44am

I'm thinking about installing a expansion chamber but then IU see these regulators. What are the diffrence? Which one is better?

Replies:

Posted By: DsXz
Date Posted: 16 June 2006 at 7:22am

regs on every level possible

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Posted By: Skillet42565
Date Posted: 16 June 2006 at 10:17am

Regulators are much better. I suggest a Palmers Stabalizer, as most regulators wont work with CO2, which is what you are most likely using, considering the expansion chamber. I think that the Max-Flo also runs off CO2 still.

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Posted By: sinisterNorth
Date Posted: 16 June 2006 at 11:27am

I'd go with a Palmers, work well with HPA or CO2.

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Pumpker'd; (V.) When a pump player runs up and shoots you at point blank range because you thought 20bps made you good.

Posted By: DsXz
Date Posted: 16 June 2006 at 12:43pm

btw i never knew why some regs work with co2 and some dont? ne1 care to explain?

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Posted By: Bruce A. Frank
Date Posted: 16 June 2006 at 2:23pm

DsXz wrote:

btw i never knew why some regs work with co2 and some dont? ne1 care to explain?

It isn't exactly that some work and some don't work with CO2. If all regulators saw only gas, whether CO2 or air (nitrogen), all would work just fine. The problem is that with some designs the regulators are actually damaged if, and when, any liquid CO2 gets to them. The Palmer Stabilizer is not damaged by liquid getting to it. But, even the Palmer cannot do its most accurate regulation if liquid CO2 gets into it.

Many tout the Palmer as all you'll need for good CO2 regulation. But, even though the Stabilizer actually does a pretty good job of letting a liquid expand to gas and then controlling the pressure, there is a better way.

The choice always seems to be EITHER an expansion chamber OR a regulator. The facts are for best CO2 pressure regulation you need both. An expansion chamber should be mounted in the line to allow full evaporation of any liquid into gas before it makes it to the Stabilizer. Then the Stabilizer can do its best possible job on controlling the pressure to the power valve. Palmer actually recommends that CO2 users install an anti-siphon tube to reduce those occasional slurps of liquid CO2.

Strictly speaking, no regulator on the market designed for paintball marker installation can full regulate pressure if liquid makes it into it. It is just that some will survive the gulp of liquid and some will not. The Palmer handles the occasional gulp of liquid CO2 with no damage. Many other brands will not.

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