• MK4 KegLand C02 Regulator
  • Duotight compatible with optional Z93 Duotight Flare Fitting

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Item #: Q62
Our Price: $44.99
In Stock, Will Ship On 06/05/2020.


The MK4 Regulator by KegLand provides a reading of keg dispensing pressure, as well as an accurate indication of cylinder gas level. By turning the chrome center knob, you can adjust the dispensing pressure from 0 – 100 PSI.  The MK4 features gauges housed in rubber to protect them from dings, as well as a large 2½" diameter diaphram so it can both handle several kegs at once if needed, and the large diaphram also lets you have precise control over the dispensing pressure (which you adjust with the center knob).

Threaded ¼” flare outlet fits our D03 Gas Connector (no need to adapt your ¼" gas tubing to fit the 5/16" wide hose barb found on other beer regulators).  This connector also fits the DuoTight Flare Fitting (our item Z93).  Includes a 65 PSI replaceable safety relief valve. This regulator includes two nylon tank sealing washer, and will accept nylon or fiber tank sealing washers. 


Average Rating:
(based on 8 reviews)

Showing 1 - 5 of 8 Reviews:

Review and Rate this Item
by Dave
on 5/23/2020
from Illinois
MK4 regulator
Excellent regulator to replace my 20 year old regulator. This thing will adjust down to 1or 2 psi for my closed transfers! Low profile, well built. It's a winner.
by Summoner12
on 3/28/2020
from Riverside, CA
For the price great item
I really like the fit and finish of this product. It feels very solid and works great. I too wish it had a valve on it, but that is easily fixed if you need it. If you plan to use a manifold, you don't really need a shutoff. But even then it'd be nice to have.

You can't beat the price on this unit. This would be my next purchase if I need a regulator for a project. Will recommend to friends.
by Jim W
on 8/4/2017
from Colorado
It leaked
I went through several cylinders before I discovered it leaked internally.  Next time I'll step up to a better product. 
by stan macias
on 7/31/2017
from santa barbara
wish it had a shut off valve
this is a very nice regulator. the adj. knob is far superior to micro matic which seam to strip the threads out of the adjuster if left in a fridge. this design with a plastic knob will never happen. I wish they had a shut off valve though. and its not easy to mount a valve because the threads are metric because it was made in Australia. my only complaint, the product functions perfectly for my use
by dONKmAN
on 2/9/2017
from Fresno
I really appreciate the gas connector on this regulator.  Definitely designed for brewers.  I recently bought a regulator at Harbor Freight for $36 and I had to take it back as the gas was leaking out of the pressure gauge.

If you need a good regulator, I believe the Mark III is a great value and a great product.  I only wish I would have purchased it when it was on sale.......LOL

Review and Rate this Item
Scott Miller
4/28/2020 10:32:00 PM
Is there a way to switch to a 1/4" MPT shutoff to flare instead of the 1/4" flare fitting that is currently on there?
It's possible to switch out the flair with a shutoff to flair,but we currently only have a shutoff to 1/4" barb fitting in stock at this time.
4/25/2020 9:18:42 PM
Where can I find replacement nylon washer/gasket for this regulator? (These are supposed to be "reusable", but getting a leak-free connection requires a pretty tight fit which mars the flat surface.)
We offer a fiber washer (search for item D19) that can only be used once, but we feel offers a more positive seal.
6/21/2019 8:07:01 PM
These are supposedly multi-gas regulators. Can we order the type 50 converter for nitrogen from Williams?
No, because the converters are currently made for Australian standards, and will not fit American Nitrogen bottles.
8/21/2018 6:58:19 PM
Can you hook up one of the multi-port gas manifolds directly to the regulator's 1/4" output?
Yes, although you will need a 1/4" NPT nipple which we do not sell, and keep in mind the gas outlet is secured with a lock tight type compound, so you may want to see how easy it is to remove before starting on this.
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