Category Archives: Spunding Valve

Ends Soon: Kegland Spund G2 Spunding Valve! On Sale for $9.99!

Spund G2 Spunding Valve

More Info

From the product description, check product page for current description, price and availability:

Compact ball lock spunding valve features a 0-30 PSI gauge and now features an adjustable manual pressure pull ring relief valve (adjusts from 0-15 PSI). The adjustable manual pressure release can be removed, and a corny keg pressure relief valve installed in its place. The gauge features a standard DuoTight 8mm stem, and can be replaced with our DuoTight gauges, like our items C18, Z97, and E69 if desired.

Lots of ways to use this and upgrade it. If you want more accuracy than the manual adjustable spring loaded relief valve, you can upgrade with our item C16 DuoTight Blowtie valve, which has a rubber diaphragm valve which will always be more accurate at low pressures than the included spring loaded adjustable relief valve. If you do this, you will also need DuoTight Joiner, item number C70.

You can also replace the manual adjustable relief valve with preset keg relief valves like our item G65 (17 PSI) or B54 (0-30 PSI).


 

A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: Build a Spunding Valve – for loads of information on building and using a Spunding Valve.

Spund G2 Spunding Valve

Homebrew Finds is Spunding Central! Build a Spunding Valve! – How and Why << a top resource on the subject

Also Consider: BlowTie Spunding Valve

DuoTight Reviews, Resource Posts & How-To’s!

DuoTights are so amazing – at least in my book 🙂 – that I have several reviews and related top posts

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I Recommend These for DuoTight Fittings!

duotightclips

DuoTight Ball Lock QDs!

duotight ball lock quick disconnect review

My DuoTight Review!

duotightreview

Homebrew Finds is Spunding Central!

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Also: Kegerator Tips & Gear | Keg Repair Part #s | Recent Keg Finds

Our Top Draft Resources!

Check our our Top Draft Related Resources
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This post may contain affiliate links. We may make a commission when you use our links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Visit William’s Brewing – Web Only Clearance Sale

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Price, promotions and availability can change quickly. Check the product page for current price, description and availability. tag:ntrd

Fix Over-Carbonated Beers with a Spunding Valve

A Spunding Valve allows you to maintain a set pressure. If pressure in the vessel exceeds the set point, it is expelled. It generally consists of an adjustable PRV valve, a tee, a gauge and a way to connect to your keg.


Why a Spunding Valve?

There are loads of homebrew related applications for a Spunding valve ranging from pressurized ferementation to naturally carbonating to fixing over carbonated beers and lots more.  Check out our resource post on the subject.  It’s arguably the go-to resource on the Internet on the subject

Fix Over-Carbonated Beers with a Spunding Valve

A Spunding Valve can assist with fixing over-carbonated beer.

  • Determine your desired pressure based on temperature and desired carbonation using a carbonation chart.  See: Balancing Your Draft System for a carbonation chart.
  • Pressurize the keg to just over your desired final pressure.
  • Attach the Spunding Valve
  • Slowly dial down the pressure until you achieve your desired pressure – More about setting pressure
  • The Spunding Valve allows excess pressure to vent until the new carbonation level is achieved.
  • You can periodically agitate the keg to fix carbonation more quickly.

This write-up is part of my Spunding Valve Resource Post – Jump To This Section

Continue reading

Primefit CR1401G Replacement Air Regulator + Spunding Valve Build

Primefit CR1401G Replacement Air Regulator with steel-Protected Gauge, 1/4" Npt

Primefit CR1401G Replacement Air Regulator with steel-Protected Gauge, 1/4″ Npt

More Info

From the product description, check product page for current description, price and availability:

  • Air regulator for precisely regulating and maintaining constant air pressure
  • Accurate downstream air pressure regulation between 1 and 160-psi
  • High impact composite regulator knob and steel protected gauge
  • 60-Scfm at 100-PSI with 1/4-inch NPT ports

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

 

A potential homebrew application for this is to use it as part of a Spunding Valve Build.   A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: Build a Spunding Valve for more on Spunding Valves.

Most of the builds detailed in our Spunding Resource Post consist of a PRV Valve + tee + gauge + connection option.  Generally four parts in total.  The CR1401G replaces two parts, both the tee and gauge.  See: Spunding Valve Build: Using Primefit CR1401G Replacement Air Regulator for more details

Primefit CR1401G Replacement Air Regulator with steel-Protected Gauge, 1/4″ Npt – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

tsrspund

Related Resources!

Homebrew Finds is Spunding Central!  Check our related resources and more detailed builds

Continue reading

William’s Brewing DuoTight Sale! + Hands on Review

duotight fittings

  • DuoTight Fittings are awesome: Easy to use push to connect fittings compatible with EVABarrier lined tubing.  Clamp-less installation and reconfiguration.
  • Lots of options mean the DuoTight system is flexible and full featured.’
  • Check out my extensive Hands on Review
  • Shipping is free or reasonably priced flat rate to addresses in the contiguous US depending on your order size for most items

William’s Brewing is discounting DuoTights by 15%. Applies to all options.

No coupon code is required, add to cart to see discounted prices

Kegland DuoTight Fittings and Accessories!

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BlowTie Diaphragm Spunding Valve + Hands on Review & Digital Upgrade

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation - KL15042

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042

More Info

From the product description, check product page for current description, price and availability:

  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • Easily disassembles for cleaning
  • 8mm (5/16″) Duotight fittings at both ends
  • Gauge reads from 0-15 psi

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A Spunding Valve allows you to maintain a set pressure. If pressure in the vessel exceeds the set point, it is expelled. Lots more in our definitive Spunding Valve Resource Post

Learn More! Hands on Review: Kegland BlowTie Diaphragm Spunding Valve!

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Related: New Digital Gauge Available!

Kegland Digital Gauge to fit Spunding Valve and Secondary Pressure Regulator

Kegland’s DuoTight system along with their EVABarrier Tubing are amazing. Check out my extensive hands on review for a deep dive into the system.

Kegland has released a digital regulator option that works with their great inline regulator and gauge-equipped BlowTie Spunding Valves.

It appears as though though Kegland will offer both complete digital inline regulators and spunding valves and a regulator only option that will retrofit analog units.

Digital Mini Pressure Gauge (0-90 psi) D1165

Related Resources!

duotightreview

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Anderson Metals 1/4″ Barb x 1/4″ NPT + Spunding Valve Build

Anderson Metals 57001-0404 Brass Hose Fitting, Adapter, 1/4" Barb x 1/4" NPT Male Pipe

Anderson Metals 57001-0404 Brass Hose Fitting, Adapter, 1/4″ Barb x 1/4″ NPT Male Pipe

More Info


Highlighted Features
  • One piece construction
  • Use with plastic tubing or rubber hose
  • Intended for use with hose clamp or crimp type ferrule
  • Barbed edges provide positive connection
  • Excellent vibration resistance
  • These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories.


From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

 

Of course you could use these fittings in lots of different applications.  One possible application is a Spunding Valve build.  A Spunding Valve [See: Spunding Valve Resource Post] allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more.  This would be part of a “Style 3” build.

Here is a photo of this fitting as part of a Spunding Valve assembly.

Anderson Metals 57001-0404 Brass Hose Fitting, Adapter, 1/4″ Barb x 1/4″ NPT Male Pipe – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Canada Edition… Build a Spunding Valve! – How and Why

A Spunding Valve allows you to maintain a set pressure.  If pressure in the vessel exceeds the set point, it is expelled.  It generally consists of an adjustable PRV valve, a tee, a gauge and a way to connect to your keg.

This is a version of our Spunding Valve Build that features components that are generally available in Canada.


Are you a US Homebrewer?

Check out the US Version of this Post – Build a Spunding Valve! – How and Why


Related Resources:


Homebrewing Applications of a Spunding Valve

  • Pressurized fermentation.  Ferment in a 5 or 10 gallon corny keg and use your Spunding Valve instead of an airlock.  This allows you to ferment at your desired pressure.
  • Dry hop under pressure.  This allows you to dry hop earlier while reducing oxygenation.  Active yeast are more likely to metabolize oxygen that’s introduced during dry hopping during active fermentation.  Since CO2 is not exiting beer as vigorously under pressure, wanted compounds, flavors and aromas are more likely to stay in your beer under pressure.
  • Naturally and accurately carbonate beer right in the keg.
  • An airlock replacement.  Keep the valve wide open for non-pressurized fermentations.  Only do this if you have plenty of head space.  This wouldn’t make a great blow off tube.
  • Keg to keg transfers.  Use the Spunding Valve to allow excess gas to exit the receiving keg as you transfer under pressure.  Helps you achieve a slow, controlled and pressurized transfer.
  • Fix over-carbonated beers.
  • Test for keg leaks.  Pressurize your keg to serving pressure.  Put the Spunding Valve on (with the pressure set well above your serving PSI) and note the reading.  The gauge should remain steady.  If pressure drops, you know you have a keg leak.  The digital build, see below, is especially helpful for this task,  The digital gauge reads with .1 PSI resolution making pressure changes easy to spot.  It’s worth noting that this checks the entire keg including gas body o-ring.  That spot is hard to check and other way as it’s only in function when the gas QD is on.  When the gas QD is on… it’s difficult to spray and check for bubbles underneath the gas QD.  Thanks to Scott Janish for this tip!
  • As an airlock for long term aging of beers.  Airlocks can run dry over time.  A Spunding Valve will not.
  • Utilize CO2 from fermentation for flushing kegs and fermenters.

Continue reading

Keg King SPUNDY Compact Ball Lock Spunding Valve!

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169

More Info


Highlighted Features
  • Just clip it on and you are now pressure fermenting in a Cornelius type ball lock keg
  • Compact single-piece assembled unit with pressure adjustment from Blichmann / KegKing
  • Release excess pressure on a pressurized fermenter or from a receiving keg during pressure transfers
  • Much more accurate than the spring and poppet style, and works much better at lower pressures.
  • Low profile, Compact, Easy to clean and Easy to adjust. UPC 9337310011169

 

A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more. Related: Spunding Valve Build – How & Why

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link


tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Primefit CR1401G Replacement Air Regulator + Spunding Valve Build

Primefit CR1401G Replacement Air Regulator with steel-Protected Gauge, 1/4" Npt

Primefit CR1401G Replacement Air Regulator with steel-Protected Gauge, 1/4″ Npt

More Info

From the product description, check product page for current description, price and availability:

  • Air regulator for precisely regulating and maintaining constant air pressure
  • Accurate downstream air pressure regulation between 1 and 160-psi
  • High impact composite regulator knob and steel protected gauge
  • 60-Scfm at 100-PSI with 1/4-inch NPT ports

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

 

A potential homebrew application for this is to use it as part of a Spunding Valve Build.   A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: Build a Spunding Valve for more on Spunding Valves.

Most of the builds detailed in our Spunding Resource Post consist of a PRV Valve + tee + gauge + connection option.  Generally four parts in total.  The CR1401G replaces two parts, both the tee and gauge.  See: Spunding Valve Build: Using Primefit CR1401G Replacement Air Regulator for more details

Primefit CR1401G Replacement Air Regulator with steel-Protected Gauge, 1/4″ Npt – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

tsrspund

Related Resources!

Homebrew Finds is Spunding Central!  Check our related resources and more detailed builds

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Control Devices Adjustable Pressure Relief Valve + Our Spunding Valve Resource Post

Control Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4" Male NPT

Control Devices Adjustable Pressure Relief Valve, 0-100 PSI, 1/4″ Male NPT

More Info


Highlighted Features
  • Relief pressure adjustable from 0 to 100 psi
  • 1/4" male NPT threaded inlet connection
  • Brass construction and stainless steel spring for corrosion resistance
  • Silicon O-ring provides leak-proof seal to within 10 percent of set pressure
  • Micrometer-style nylon knob for pressure relief adjustment

 

This valve is the heart of my Spunding Valve Build.  It is a manually adjustable pressure relief valve.  Adjustable from 0 to 100 PSI.  I’ve found the pressure markings on this to be difficult to use/possibly inaccurate.  My Spunding Build accounts for this via a pressure gauge.  There is no homebrewing-related situation I’m aware of that would have you at 100 PSI.  Generally you’d be at or below 30 PSI.  As always, you’ll want to ensure that all components in your system (kegs, tubing, etc) are rated for your desired pressure.

What are others saying?  Search this product’s Amazon reviews for “homebrew” – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Control Devices – CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4″ Male NPT – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Is this accurate??

Ove time I’ve received this question several times.

I take it to mean, is the scale that’s printed on the side of this PRV accurate?

My answer is… It doesn’t really matter. Whether or not it’s accurate or not doesn’t really matter as far as I’m concerned. For my purposes the scale doesn’t offer the granularity needed for my application. This is the reason that my Spunding Builds include pressure gauges. A gauge offers far more precision (some up to .1 PSI) and control.

tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions. tag:itsapageamz prod:B007GDY3CU

BlowTie Diaphragm Spunding Valve + Hands on Review & Digital Upgrade

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation - KL15042

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042

More Info

From the product description, check product page for current description, price and availability:

  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • Easily disassembles for cleaning
  • 8mm (5/16″) Duotight fittings at both ends
  • Gauge reads from 0-15 psi

 

A Spunding Valve allows you to maintain a set pressure. If pressure in the vessel exceeds the set point, it is expelled. Lots more in our definitive Spunding Valve Resource Post

Learn More! Hands on Review: Kegland BlowTie Diaphragm Spunding Valve!

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Related: New Digital Gauge Available!

Kegland Digital Gauge to fit Spunding Valve and Secondary Pressure Regulator

Kegland’s DuoTight system along with their EVABarrier Tubing are amazing. Check out my extensive hands on review for a deep dive into the system.

Kegland has released a digital regulator option that works with their great inline regulator and gauge-equipped BlowTie Spunding Valves.

It appears as though though Kegland will offer both complete digital inline regulators and spunding valves and a regulator only option that will retrofit analog units.

Digital Mini Pressure Gauge (0-90 psi) D1165

Related Resources!

duotightreview

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Keg King SPUNDY Compact Ball Lock Spunding Valve

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169

More Info


Highlighted Features
  • Just clip it on and you are now pressure fermenting in a Cornelius type ball lock keg
  • Compact single-piece assembled unit with pressure adjustment from Blichmann / KegKing
  • Release excess pressure on a pressurized fermenter or from a receiving keg during pressure transfers
  • Much more accurate than the spring and poppet style, and works much better at lower pressures.
  • Low profile, Compact, Easy to clean and Easy to adjust. UPC 9337310011169

 

A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more. Related: Spunding Valve Build – How & Why

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link


tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Announcing: Keg King SPUNDY Compact Ball Lock Spunding Valve

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169

More Info


Highlighted Features
  • Just clip it on and you are now pressure fermenting in a Cornelius type ball lock keg
  • Compact single-piece assembled unit with pressure adjustment from Blichmann / KegKing
  • Release excess pressure on a pressurized fermenter or from a receiving keg during pressure transfers
  • Much more accurate than the spring and poppet style, and works much better at lower pressures.
  • Low profile, Compact, Easy to clean and Easy to adjust. UPC 9337310011169

 

A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more. Related: Spunding Valve Build – How & Why

SPUNDY Compact Keg King SPUNDING VALVE Ball Lock Kegs Complete Assembled Clip and Go for PRESSURE FERMENTATION in a Ball Lock Corny Keg KK 11169 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link


tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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amazon

Price, promotions and availability can change quickly. Check the product page for current price, description and availability.

Measureman Digital Pressure Gauge + Spunding Valve Build

MEASUREMAN 2-1/2" Dial Size Digital Air Pressure Gauge with 1/4'' NPT Bottom Connector and Protective Boot, 0-60psi, Accuracy 1%, Battery Powered, with LED Light

Measureman 2-1/2″ Dial Size Digital Air Pressure Gauge with 1/4” NPT Bottom Connector and Protective Boot, 0-60psi, Accuracy 1%, Battery Powered, with LED Light

More Info


Highlighted Features
  • For pneumatic, air pressure measuring, typical for tire gauge, tire inflator, air pressure system etc.
  • Dial size: 2-1/2", blue backlight
  • Plastic case and protective boot,
  • Solid brass connection, standard 1/4"NPT male
  • 0-60psi, bar, kg/cm2, kpa, Accuracy:1%


From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

 

Note from HBF: For whatever reason this offering seems to periodically change. The one I’m intending to link to is a 2 1/2 dial with 1/4″ NPT that reads 0 to 60 PSI. It’s possible a different variation will show up.

A possible homebrew application for this is to use it as part of a Spunding Valve Build.   A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: Build a Spunding Valve

Measureman 2-1/2″ Dial Size Digital Air Pressure Gauge with 1/4” NPT Bottom Connector and Protective Boot, 0-60psi, Accuracy 1%, Battery Powered, with LED Light – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Announcing: BlowTie Complete Ball Lock Kit + Hands on Reviews of All Components

BlowTie 2 Spunding Valve | Complete Kit | Duotight Ball Lock Quick Disconnect (QD) FE964

BlowTie 2 Spunding Valve | Complete Kit | Duotight Ball Lock Quick Disconnect (QD) from MoreBeer

More Info

From the product description, check product page for current description, price and availability:

With this complete kit you’ll be ready to use the BlowTie 2 Spunding Valve right out of the box. The BlowTie is used to release excess pressure on a pressurized fermenter or from a receiving keg during pressure transfers. This diaphragm spunding valve is much more accurate than the spring and poppet style, and works much better at lower pressures.

This version of the Spunding Valve Kit includes the Duotight Ball Lock QD which allows you to attach the BlowTie directly to the QD via the 8 mm rigid joiner.

The BlowTie 2 can also be upgraded with a Digital Mini Pressure Gauge.

Pressure Fermentation
Pressure fermentation is becoming more and more popular at the homebrew level, but in order to do it safely and accurately, you need a way to release excess pressure. You’ll pressurize your vessel to your desired psi, but once fermentation begins and those hungry, active yeast start creating CO2, the pressure inside the vessel will increase. Attach a spunding valve and set it to your desired pressure, and it will blow off when the pressure gets to high and close up again when it’s back to your desired psi.

Pressure Transfers
Even if you don’t have a pressurizable fermenter, you may have done pressure transfers from keg to keg during filtering or after fining. During pressure transfers, it’s a good idea to have a bit of head pressure in the receiving keg, especially if you’re transferring beer that is already carbonated. Having a spunding valve in place will allow you to consistently control the head pressure and give you more consistent results, without losing carbonation in the process.

Diaphragm vs. Poppet
With the poppet style spunding valve, a spring pushes against a poppet to keep the valve closed. When the poppet lifts up to open, the surface area the gas pushes against becomes larger, and the spring has to work harder to push the poppet down and reseal the valve. This can lead to more gas being released than intended, and the remaining pressure in your vessel may be at a lower psi than your spunding valve’s set psi.

Instead of a poppet, the spring inside the BlowTie pushes against a diaphragm, which has an immensely larger surface area. This means the surface area that the gas pushes against while the diaphragm is closed is significantly closer to the surface area it pushes against when the diaphragm is open. This leads to higher accuracy, and the remaining pressure after excess gas is released will be much closer to your set blow off pressure.

Kit Includes:

BlowTie 2 w/ Integrated Pressure Gauge (0-15 psi)
8 mm Duotight Gray Ball Lock Disconnect
8 mm OD Rigid Plastic Joiner


 

  • DuoTight Fittings and Accessories along with EVABarrier Tubing are… awesome.  In my opinion, the system is a game-changer for kegerator owners and builders.
  • The BlowTie is part of that lineup.
  • This is v2.  The big innovation is that v2 includes and integrated gauge.  Check out my Hands on Review of this great tool
  • Homebrew Finds is Spunding Central!  Build a Spunding Valve! – How and Why << a top resource on the subject
  • Get Free Shipping: This ships for free with a qualify order as part of MoreBeer’s Free Shipping Program.  Under that promo most orders over $59 ship for free.
  • Easy Filler Item….  If you’re looking for a filler item to help you qualify for free shipping, consider grabbing some PBW

This is a BlowTie Spunding Valve + Rigid Joiner + DuoTight Ball Lock QD

BlowTie 2 Spunding Valve | Complete Kit | Duotight Ball Lock Quick Disconnect (QD) FE964

Standalone: BlowTie Diaphragm Spunding Valve with Gauge FE962

Upgrade it to Digital…

Kegland Digital Gauge to fit Spunding Valve and Secondary Pressure Regulator

Kegland’s DuoTight system along with their EVABarrier Tubing are amazing. Check out my extensive hands on review for a deep dive into the system.

Kegland has released a digital regulator option that works with their great inline regulator and gauge-equipped BlowTie Spunding Valves.

It appears as though though Kegland will offer both complete digital inline regulators and spunding valves and a regulator only option that will retrofit analog units.

Digital Mini Pressure Gauge (0-90 psi) D1165

duotight ball lock quick disconnect review

Continue reading

Torpedo Stainless Steel Ball Lock Spunding Valve!

Ball Lock Spunding Valve (w/ Pressure Gauge) FIL42AS

Ball Lock Spunding Valve (w/ Pressure Gauge) via MoreBeer

More Info

From the product description, check product page for current description, price and availability:

A spunding valve is a great accessory to have when performing pressure transfers and is a must-have for fermenting under pressure. Designed by the MoreBeer! R&D team and made from stainless steel components for long-lasting quality. Our spunding valve features the Torpedo Keg gas-in disconnect and our specially designed adjustable stainless gas pressure relief valve (D1833L). This model also features a pressure gauge that reads from 0-15 psi.

Don’t need the gauge? Check out our FIL42S.

Pressure Fermentation
Pressure fermentation is becoming more and more popular at the homebrew level, but in order to do it safely and accurately, you need a way to release excess pressure. You’ll pressurize your vessel to your desired psi, but once fermentation begins and those hungry, active yeast start creating CO2, the pressure inside the vessel will increase. Attach a spunding valve and set it to your desired pressure, and it will blow off when the pressure gets to high and close up again when it’s back to your desired psi.

Pressure Transfers
Even if you don’t have a pressurizable fermenter, you may have done pressure transfers from keg to keg during filtering or after fining. During pressure transfers, it’s a good idea to have a bit of head pressure in the receiving keg, especially if you’re transferring beer that is already carbonated. Having a spunding valve in place will allow you to consistently control the head pressure and give you more consistent results, without losing carbonation in the process.

Note: The very end of the pressure relief valve can be adjusted by unscrewing the knurled adjustment knob. If too tight and not adjustable by hand, wrap a towel around the adjustment knob and loosen with pliers. Then finger tighten or loosen to desired pressure.


 

A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: Build a Spunding Valve – for loads of information on building and using a Spunding Valve.

  • This had been out of stock for a good bit.
  • As of this posting, it’s available again. Check product page for current availability

Ball Lock Spunding Valve (w/ Pressure Gauge) FIL42AS

Homebrew Finds is Spunding Central!

This is also available in a cheaper version that does not includes a gauge.  Handy if you have another way to set pressure.  Ball Lock Spunding Valve FIL42S

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This post contains affiliate links. We may make a commission when you use our links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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BlowTie Diaphragm Spunding Valve v2 + Hands on Review & Digital Upgrade

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation - KL15042

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042

More Info

From the product description, check product page for current description, price and availability:

  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • Easily disassembles for cleaning
  • 8mm (5/16″) Duotight fittings at both ends
  • Gauge reads from 0-15 psi

 

A Spunding Valve allows you to maintain a set pressure. If pressure in the vessel exceeds the set point, it is expelled. Lots more in our definitive Spunding Valve Resource Post

Learn More! Hands on Review: Kegland BlowTie Diaphragm Spunding Valve!

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Related: New Digital Gauge Available!

Kegland Digital Gauge to fit Spunding Valve and Secondary Pressure Regulator

Kegland’s DuoTight system along with their EVABarrier Tubing are amazing. Check out my extensive hands on review for a deep dive into the system.

Kegland has released a digital regulator option that works with their great inline regulator and gauge-equipped BlowTie Spunding Valves.

It appears as though though Kegland will offer both complete digital inline regulators and spunding valves and a regulator only option that will retrofit analog units.

Digital Mini Pressure Gauge (0-90 psi) D1165

Related Resources!

duotightreview

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Measureman Digital Pressure Gauge + Spunding Valve Build

MEASUREMAN 2-1/2" Dial Size Digital Air Pressure Gauge with 1/4'' NPT Bottom Connector and Protective Boot, 0-200psi, Accuracy 1%, Battery Powered with LED Light

MEASUREMAN 2-1/2″ Dial Size Digital Air Pressure Gauge with 1/4” NPT Bottom Connector and Protective Boot, 0-200psi, Accuracy 1%, Battery Powered with LED Light

More Info

From the product description, check product page for current description, price and availability:

  • For pneumatic, air pressure measuring, typical for tire gauge, tire inflator, air pressure system etc.
  • Dial size: 2-1/2″, green backlight
  • Plastic case and protective boot,
  • Solid brass connection, 1/4″NPT male
  • 0-200psi, bar, kg/cm2, kpa, Accuracy:1%

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

 

A possible homebrew application for this is to use it as part of a Spunding Valve Build.   A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: [Build a Spunding Valve].

Note that this has a maximum capacity of 200 PSI. That’s going to exceed the capacity for most homebrewing components. Make sure all of your equipment is rated for your desired pressure.

MEASUREMAN 2-1/2″ Dial Size Digital Air Pressure Gauge with 1/4” NPT Bottom Connector and Protective Boot, 0-200psi, Accuracy 1%, Battery Powered with LED Light – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

pinned

amazon

Measureman Digital Pressure Gauge + Spunding Valve Build

MEASUREMAN 2-1/2" Dial Size Digital Air Pressure Gauge with 1/4'' NPT Bottom Connector and Protective Boot, 0-200psi, Accuracy 1%, Battery Powered with LED Light

MEASUREMAN 2-1/2″ Dial Size Digital Air Pressure Gauge with 1/4” NPT Bottom Connector and Protective Boot, 0-200psi, Accuracy 1%, Battery Powered with LED Light

More Info

From the product description, check product page for current description, price and availability:

  • For pneumatic, air pressure measuring, typical for tire gauge, tire inflator, air pressure system etc.
  • Dial size: 2-1/2″, green backlight
  • Plastic case and protective boot,
  • Solid brass connection, 1/4″NPT male
  • 0-200psi, bar, kg/cm2, kpa, Accuracy:1%

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

 

A possible homebrew application for this is to use it as part of a Spunding Valve Build.   A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: [Build a Spunding Valve].

Note that this has a maximum capacity of 200 PSI. That’s going to exceed the capacity for most homebrewing components. Make sure all of your equipment is rated for your desired pressure.

MEASUREMAN 2-1/2″ Dial Size Digital Air Pressure Gauge with 1/4” NPT Bottom Connector and Protective Boot, 0-200psi, Accuracy 1%, Battery Powered with LED Light – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

tsrspund

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

pinned

amazon

BlowTie Diaphragm Spunding Valve v2 + Hands on Review & Digital Upgrade

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation - KL15042

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042

More Info

From the product description, check product page for current description, price and availability:

  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • The BlowTie 2 features an integrated pressure gauge. Quickly and easily dial in your pressure setting.
  • Easily disassembles for cleaning
  • 8mm (5/16″) Duotight fittings at both ends
  • Gauge reads from 0-15 psi

 

A Spunding Valve allows you to maintain a set pressure. If pressure in the vessel exceeds the set point, it is expelled. Lots more in our definitive Spunding Valve Resource Post

Learn More! Hands on Review: Kegland BlowTie Diaphragm Spunding Valve!

Duotight BlowTie 2 Diaphragm Spunding Valve w/Integrated Pressure Gauge (0-15 PSI) for Pressure Fermentation – KL15042 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Related: New Digital Gauge Available!

Kegland Digital Gauge to fit Spunding Valve and Secondary Pressure Regulator

Kegland’s DuoTight system along with their EVABarrier Tubing are amazing. Check out my extensive hands on review for a deep dive into the system.

Kegland has released a digital regulator option that works with their great inline regulator and gauge-equipped BlowTie Spunding Valves.

It appears as though though Kegland will offer both complete digital inline regulators and spunding valves and a regulator only option that will retrofit analog units.

Digital Mini Pressure Gauge (0-90 psi) D1165

Related Resources!

duotightreview

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

pinned

amazon