Bostitch air compressor - Do I need regulator?

by Adam
(Dallas, Texas US)

I just bought a used 2hp/6 gal Bostitch portable air compressor and I noticed when I picked it up there was no regulator. I am just a diy guy and may use it with a nail gun, impact wrench, to air up tires, or just a blow gun.


My question is do I need the regulator? The max psi is around 150. Also the opening is 3/8 where I would add the regulator.

If I tapered into a 1/4 regulator then back out to my 3/8 hose would I lose a lot of "power" or velocity at my tool?
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Yes Adam, in my opinion, you do need a regulator. Why? Have a look at the regulators page on this site to learn about why.

As to losing compressor flow through a regulator, yes, you will lose some, as all regulators regulate the flow of compressed air to reduce and maintain the downstream pressure.

The flow loss through the regulator will be less noticeable, as you want to run all of your air appliances at their lowest minimum operating pressure, to save money on energy, and to make your relatively small air supply last a bit longer before the compressor has to turn back on to catch up.

And sorry, except for a few brief seconds, I don't think your compressor is big enough to handle an impact wrench. You just won't get enough air.

Cheers,

Bill

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Broke off the Air Pressure Regulator?

by Jim
(Palm Bay, FL)

Compressed air regulator

Compressed air regulator

Concern - broke off the Air Pressure Regulator

I was putting my compressor away and broke off the Air Pressure Regulator.

I cannot find a replacement anywhere. I have a pancake OM200 2.0hp 6.0 gal. Any suggestions?
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Jim, any general purpose air regulator will work if you can plumb it in.

You don't say what broke, but if you've broken off the regulator with the male thread in the port on the compressor, you'll have to replace that thread on the discharge pipe.

Why not see the videos page for a video on air regulators, including how to select the correct replacement?

Cheers,

Bill

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bostitch pancake regulator problem?

i have a bostitch 2hp 150 compressor it fills tank fine shoots out a little air and takes a while to shoot out more, tank is full will not use blow gun uses a little and drains what is in hose, not regulating from tank maybe regulator maybe???? any common problems known? help thanks

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Bill says...

If your compressor air tank is full of air, and when you use some, the pressure drops out of the blow gun or air tool, but the tank pressure falls only slightly, then you have an air flow impediment.

I write about that in Compressor Issues, Compressor Troubleshooting, No Air Out Of Hose. Maybe have a look, and if you check all items referred to, I suspect you will solve the compressor problem.

Cheers,

Bill

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Stanley-Bostitch won't stay running?

by Tommy
(MS)

Stanley Bostitch CWC200ST (Photo: www.bostitch.com)

Stanley Bostitch CWC200ST (Photo: www.bostitch.com)

CWC200ST 3hp 4gal. twin tank. Compressor is plugged in to power pole on a 20 amp breaker, no extension cord is in use.

With tank empty turn compressor on, it will reach about 30 psi and then will throw the reset. Wait couple minutes push reset and it will them pressure up to around 60 psi and throw the reset again. Does this again at around 90 psi and then finally reaches 125 or 130 psi at normal shutoff.

I have checked and adjusted pressure switch, have checked the pressure relief valve, and checked the valve that allows air into tank.

I don't know what to do. It should not be the capacitors or pressure switch as it starts fine, and pressure switch also shuts it off around 130 psi.

I started to bypass the reset but did not want to ruin something else. This has been in the shop twice and they say they can't find what's wrong. Any help would be much appreciated. Thanks, Tommy
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Tommy, if the start / run capacitor on your is weak, that could account for the compressor issues you are facing.

I suspect that the start / run cap builds a bit of a charge which is used to get the motor going, but the motor lacks the power supply needed to keep going against a building pressure, the motor overheats, and kicks off the reset.

See the page about checking your caps on this site, and see if that is the problem, won't you?

Cheers,

Bill

Comments for Stanley-Bostitch won't stay running?

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Jan 19, 2016
I broke mine as well.
by: Anonymous

The connector for the hose is good, the pressure gauge is fine, so I only have to replace the regulator that turns with the plus and negative signs. Three part assembly, one part replacement.

Nov 19, 2012
Compressor won't stay running
by: Tommy

Thanks a bunch Bill, I will check the capacitors and get back to you. Have a great day. Tommy
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10-4, and the same back at ya.

B.

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