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05-31-2015, 09:26 AM
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Join Date: May 2015
Location: Charlotte, NC
Posts: 16
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Rivet gun - flow regulator vs pressure regulator
Hey all,
I was getting annoyed with having to walk over to my air compressor and use the large regulator upstream of my very long hose (which means lots of adjusting because of the residual air pressure in it) every time I changed tools, so I'm trying out a small regulator on each tool strategy.
My rivet gun came with a flow regulator (at least that's what I think it is, since you can see right through it). So my question is, can I just ditch this flow regulator and put on the pressure regulator?
Thanks,
Ray
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Current: Arrow IV, prepping wife for future.
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05-31-2015, 09:41 AM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Regulator
I would.
I use one hose from the compressor. The end is a three way manifold. I have three regulators. Two are on swivel pigtails. One labeled "low", one "high". Harbor Fright stuff. It really cuts down on adjustments. I always check pressure before a session but it rarely changes.
The third is on my DeVilbiss paint gun. It's a really good low pressure regulator.
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Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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05-31-2015, 11:26 AM
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Join Date: Mar 2007
Location: 45G, Brighton, MI
Posts: 1,867
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Yes, you can ditch the adjustable flow restrictor. I have a small regulator that stays on my rivet gun that I adjust appropriate to the rivet being driven. All of my other air tools take 90 psi so that's where I leave the compressor regulator set.
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Miles (VAF# 1238, Paid up as of 2018)
RV-7 TU 904KM (reserved)
Wings Fitted and Finish Kit on site
Construction Log
Picasa: Empennage Album, Wings Album, Fuselage Album
1955 Cessna 170B flying since 1982
'To get something you never had, you have to do something you never did.' -Unk.
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05-31-2015, 11:48 AM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Regulator
Quote:
Originally Posted by longranger
Yes, you can ditch the adjustable flow restrictor. I have a small regulator that stays on my rivet gun that I adjust appropriate to the rivet being driven. All of my other air tools take 90 psi so that's where I leave the compressor regulator set.
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That's a great way to do it too.
This is an awesome regulator. I use it on my paint gun but I'm planning to buy another one for low pressure on the rivet gun. It's always right where I set it. The scale is lower with finer graduations and the collar locks.
http://www.amazon.com/RTI-Technologi.../dp/B002GK9Y1S
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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05-31-2015, 12:41 PM
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Join Date: May 2015
Location: Charlotte, NC
Posts: 16
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Cool, thanks guys!
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Current: Arrow IV, prepping wife for future.
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05-31-2015, 01:12 PM
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Join Date: Dec 2014
Location: Just Minutes from KBVI!
Posts: 1,034
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Quote:
Originally Posted by wirejock
That's a great way to do it too.
This is an awesome regulator. I use it on my paint gun but I'm planning to buy another one for low pressure on the rivet gun. It's always right where I set it. The scale is lower with finer graduations and the collar locks.
http://www.amazon.com/RTI-Technologi.../dp/B002GK9Y1S |
The product information on Amazon says that it weighs 15.8 oz. Is that right? It doesn't sound very small at nearly a pound. |
05-31-2015, 01:55 PM
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Join Date: Nov 2005
Location: Asheville, NC
Posts: 2,690
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Well...... I will voice the dissenting view. I think both a pressure and flow regulator are useful (note: not required but useful).
The pressure regulator controls how hard the hit is, in a roundabout way.
The flow regulator controls how fast the gun repeats. In other words, is it Brrrrrrr or bam bam bam. It helps control whether the gun wants to "walk".
I used them both.
On a side note, I put quick disconnects on the small regulator so I could put it wherever and on any tool.
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Bill Pendergrass
ME/AE '82
RV-7A: Flying since April 15, 2012. 850 hrs
YIO-360-M1B, mags, CS, GRT EX and WS H1s & A/P, Navworx
Unpainted, polished....kinda'... Eyeballin' vinyl really hard.
Yeah. The boss got a Silhouette Cameo 4 Xmas 2019.
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05-31-2015, 03:03 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,515
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Maybe personal preference - try both.
Where you put the regulator is a matter of convenience. I don't like it on the gun due to flexibility in tight spaces.
The restrictors cause the tool to operate a bit differently. The restrictor will indeed limit the flow, but as it does so, the pressure downstream of it is lower - and can be the same as the regulator, BUT . . . . with the restrictor, the pressure will return to line pressure as soon as the trigger is released. This means that, if you use the tool with a full trigger pull each rivet, then the first few strokes will be at elevated pressure until that volume between the restrictor and trigger drops. So, it is the transient behavior that is different.
You might like the BANG BANG BANG BANG (of the restrictor), instead of BANG BANG BANG BANG (of the regulator).
If you like to feather the flow with the trigger is less consistent with the restrictor. Basically either device works, but it is how you like it. Functionally, I like the ramp up banging (of the regulator) rather than the ramp down banging (of the restrictor). Less hopping/walking for me. YMMV
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Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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05-31-2015, 06:26 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Mini regulator
Quote:
Originally Posted by 1001001
The product information on Amazon says that it weighs 15.8 oz. Is that right? It doesn't sound very small at nearly a pound.
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It doesn't seem that heavy. I'm out of town or I would weigh it.
Physically, it's the same size as the Harbor Fright version.
Their model is .4 lb.
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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05-31-2015, 06:43 PM
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Join Date: Dec 2014
Location: Just Minutes from KBVI!
Posts: 1,034
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Quote:
Originally Posted by wirejock
It doesn't seem that heavy. I'm out of town or I would weigh it.
Physically, it's the same size as the Harbor Fright version.
Their model is .4 lb.
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OK thanks. I'll check out the Harbor Freight (love your [intentional] typo there) one. |
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