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Stainless Steel Quick Disconnect (QD) - Female QD x 1/2 in. MPT
H503A

Stainless Steel Quick Disconnect (QD) - Female QD x 1/2 in. MPT

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Description

To upgrade your brew system, and make your life easier, thread these QD’s on your kettle, mash-tun, pump and chiller! When used with the male QD, they seal up very well in either flow direction. They will save you time and prevent messes. Just get several silicone hoses of various lengths and put barbed male fittings on either end. Then use them wherever you need to in your system! They are so much easier to use than pushing and pulling the hoses off of barbs. It makes things interchangeable for cleaning, and provides quick installation and removal.

MoreBeer! designed the original stainless QD's for the brewing industry over 10 years ago. The same manufacturer has been machining them for us ever since. The design has certainly been copied but not with consistent quality. That is why MoreBeer! Stainless QD fittings have a near unanimous 5 star review.

Please Note: This product will NOT work with our Brass or Plastic Quick Disconnects.

This will work with any of our H503 and H507 series of quick disconnects. These feature a 1/2" Male National Pipe Thread on the end for easy connectivity to almost anything. The quick disconnect will hold pressure for typical brewing applications when moving liquids at 60 psi or less. 1/2" ID. Gasket temperature range is -40° to 250° F. Open port, does not have shut-off. 

Item # H503A
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.25 LBS
Community Q&A

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Browse 3 questions Browse 3 questions and 8 answers
Why did you choose this?
MoreFlavor Store
looking to simply my DIY RIMS System
Robert B on Dec 22, 2022
incorporating new 3-way valves, so more hoses to connect
Kirk Peterson on Oct 21, 2022
looking to simply my DIY RIMS System
Robert B on Dec 22, 2022
changing my system
Jurgen K on Nov 21, 2022
incorporating new 3-way valves, so more hoses to connect
Kirk Peterson on Oct 21, 2022
Have used for years
Craig R on May 1, 2022
Verbiage talking about how you helped design it so long ago
Michael Z on Oct 14, 2021
prefer stainless
Vernon L on May 4, 2021
Convenience
Rick S on Apr 21, 2021
Replace brass equivalent
Ken K on Mar 11, 2021
Quick Connect rules
Valued C on Dec 22, 2020
To attach to my water filter. Now all hoses are compatible.
James D on Nov 4, 2020
They work great. I cannot believe I brewed as long as I have without these.
Christopher Landis on Jun 30, 2020
Add to homebrew system
Adam M on May 14, 2020
Equipment upgrades
Scott L on Dec 16, 2019
Upgrading my brewing game!
Herminio A on Dec 1, 2019
Need for whirlpool setup on SS Brewtech BME kettle
Bryan R on Nov 30, 2019
Extra
Roger Taylor on Sep 14, 2019
Quality product and good customer service
Dennis M on Aug 28, 2019
Spare connects
Michael W on Aug 28, 2019
for the chill plate
star w on Jul 8, 2019
Goes with exactly what I was looking for.
Dean M D on May 18, 2019
I don't want to lift pots no mo'
Susan Ingram on May 16, 2019
For nano brewery pump inlet connections.
Michael W on Apr 30, 2019
Parts for new system
Roger Taylor on Apr 9, 2019
ease of use
Nic Ashley on Feb 21, 2019
Optional connections
Roger Taylor on Oct 27, 2018
Great product. No leaking, easy to clean and sanitize
Stephen M. J on Oct 13, 2018
best connector in the biz
Jason R on Sep 17, 2018
Easy to use and clean.
Wayne T on Jul 21, 2018
Hooking up my keggles
Roger Taylor on Mar 20, 2018
for the quikness
Michael Martin on Mar 8, 2018
These don't leak and I am upgrading several of my connections such as my water filter canister and my outside two tub sink to the outside water faucet
Stephen M. J on Feb 21, 2018
great s s disconnect that i use on my conical fermenters
Kim on Feb 15, 2018
The standard Quick Connect in homebrewing; good open flow, easy to connect and clean.
Todd S on Feb 13, 2018
High quality disconnect, replacing some cheap chinese lookalikes
Henning T on Jan 25, 2018
changing my system
Jurgen K on Nov 21, 2022
Have used for years
Craig R on May 1, 2022
Does anyone know if these QC connectors are compatible with the stainless QC connectors sold by Spike Brewing?
Trey Williams on Aug 25, 2022
MPT Stainless Steel Female Quick Disconnect (QD)
MPT Stainless Steel Female Quick Disconnect (QD)
MPT Stainless Steel Male Quick Disconnect (QD)
MPT Stainless Steel Male Quick Disconnect (QD)
Male Stainless Steel Quick Disconnect (QD) w/Barb
Male Stainless Steel Quick Disconnect (QD) w/Barb
Female Stainless Steel Quick Disconnect (QD) w/ FPT
Female Stainless Steel Quick Disconnect (QD) w/ FPT
Male Stainless Steel Quick Disconnect (QD) w/ FPT
Male Stainless Steel Quick Disconnect (QD) w/ FPT
BEST ANSWER: They work great with the Spike QC connectors. Or at least the ones I bought from More Beer in 2020 do. You take your chances with today's supply chain.
Can these be used for low pressure CO2 and O2? e.g., for carbonation stone in conical
Cynthia D. on Oct 19, 2019
BEST ANSWER: Yes, there is no chemical compatibility issues for stainless or seal and once engaged the orifice is more than enough for that application. The real question is what pressure rating does the fitting have compared to your gas supply max and what safety setting do you have on vessels. This fitting is likely 10+ Times higher rated then any carbonation pressure. O2 addition should be at less than 1-2 psig.

Things to be aware of, if using pure or high concentrations of oxygen, it is highly flammable and can easily auto ignite at high pressure and velocity. If you diffuse O2 in sealed keg, you could be making a bomb! If you stir a little in there is no issue. I stir via sintered metal rod in open top for the most part, but for my continuous units I meter the O2 in via tee fitting as it flows by.

Side note, seals are likely neoprene so they are good for high ethanol content. Some other vendors use buna rubber and they are not compatible with alcohols.
Can anyone kindly advise whether or not these female QD's are free-flowing at all times? (i.e. if I have a hose fitted with one of these on each end, will the liquid be trapped? or be able to escape?)
Christian Sale on Apr 15, 2019
MPT Stainless Steel Female Quick Disconnect (QD)
MPT Stainless Steel Female Quick Disconnect (QD)
Female Stainless Steel Quick Disconnect (QD) w/Barb
Female Stainless Steel Quick Disconnect (QD) w/Barb
Female Stainless Steel Quick Disconnect (QD) w/ FPT
Female Stainless Steel Quick Disconnect (QD) w/ FPT
BEST ANSWER: Yes, free flowing at all times.
Reviews

4.9 / 5.0
42 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
37
5
0
0
0
Rated 5 out of 5
Good seal, good performance
I was a little worried because there was just a bit more… slop? in the fitting between this and the Male QD, but the flex at the joint did not translate to any leakage at all and this made by 3 pc FPT ball valve super mobile. I’ve only brewed using it once but I’m happy with it so far.
January 22, 2022
Purchased
over 2 years ago
Rated 5 out of 5
Works great, good quality
I converted my homebrew setup to make all transfer hose connections between HLT, kettle, pumps, mash tun, RIMS tube, etc. quick disconnect rather than barbed fittings. Much faster. These fittings (and similar tri-clamp versions) make everying quick and easy. These are very good quality.
March 27, 2020
Purchased
over 4 years ago
Rated 5 out of 5
Don’t forget male piece
Unless you have existing QD connections, this piece will not suffice on its own. You need the male piece to connect to. This is a quality product that make brew day easier.
March 1, 2020
Purchased
over 4 years ago
Rated 5 out of 5
Worth the money
Adding QDs can be expensive, but in the long run it is definitely worth it. These QDs are manufactured very well. I have purchased from other stores, but the quality is not the same. The whole unit feels solid and clean.
March 3, 2019
Purchased
over 5 years ago
Rated 5 out of 5
Does the job very effectively!!
April 3, 2018
Purchased
over 5 years ago
Rated 5 out of 5
fits, no leaks
What can you say about a plumbing fitting? It fits, it doesn't leak, it has an o-ring in it that is probably replaceable if it ever wears out.
March 8, 2018
Purchased
over 6 years ago
Rated 5 out of 5
Great quick disconnects
I use these Male and Female QDs throughout my brewery - Female on all the hoses, and Male on kettles, pumps, heat exchanger, and wort chiller. No leakage whatsoever. They're expensive, but a joy to use.
February 14, 2018
Purchased
over 6 years ago
Rated 5 out of 5
Stainless QD
All stainless Quick Disconnects I've purchased from MoreBeer have worked flawlessly. No leaks and easy clean up. Excellent "must have" equipment for all brewing!
January 25, 2018
Purchased
over 6 years ago
Rated 5 out of 5
Flexiblity Achieved!
I build up my brewery different every time because I am always moving from apartment to apartment. These quick connects give me the flexibility i need!
May 28, 2015
Rated 5 out of 5
Worth every penny
Don't go another day without switching to these quick connects!
May 20, 2015