Category Archives: Spunding Valve

Parts List to Build BlowTie Spunding Valve + Save 15%

The BlowTie is a pretty amazing Spunding Valve solution.  Check out my Hands on Review

Here are the parts you need to put it together:

Check out the complete lineup: DuoTight Push In Fittings & EVABarrier Double Wall Draft Tubing at MoreBeer!

Save 15%! For a short time, MoreBeer is taking 15% off nearly everything, site wide when you use coupon code FLASH15.  There are a few exceptions.  Shipping is also free to most US addresses with a qualifying $59 order.

15% Off at MoreBeer!  – remember promo code FLASH15.

MoreDeals! at MoreBeer:

More: Recent MoreBeer Finds

Looking for a MoreBeer Deal? – Today’s Deal of the Day | Sale Items | MoreBeer Deals

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Kegland BlowTie Diaphragm Spunding Valve – $26.99 + free shipping + Hands on Review

Diaphragm Spunding Valve - Adjustable Pressure Relief Gauge Ball

Diaphragm Spunding Valve – Adjustable Pressure Relief Gauge Ball

More Info

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

The BlowTie Spunding Valve is used to release excess pressure on a pressurized fermenter or from a keg while doing pressure transfers. Thanks to the large surface area of the diaphragm, this style spunding valve is much more accurate than the poppet style. 8 mm Duotight fittings at both inlet and outlet make this unit perfect for use with EVABarrier 8 mm OD tubing. The blow off pressure can be set by either pairing the BlowTie with the included Push-In Pressure Gauge, or by attaching it to an empty keg that has been pressurized to the desired psi.

Made from food grade acetal
Stainless screws
Easily disassembles for cleaning
8mm (5/16″) Duotight fittings at both ends
0-40 psi pressure rating
Two functions in one great piece of hardware!

The Ball Lock QD Adjustable Pressure Valve W/Gauge can also be used to relieve pressure while filtering from one keg to another. At the same time it gives you the ability to read the pressure in the receiving keg. And Ferment under desired pressure!

 

Spunding Valve Applications
  1. 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.
  2. 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.
  3. Naturally and accurately carbonate beer right in the keg.
  4. 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.
  5. 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.
  6. Fix over-carbonated beers.  Use the same general process as for carbonation (skipping the addition of fermentable sugar).  Use a carbonation chart to determine proper pressure for the temperature the keg is at.  The Spunding Valve allows excess pressure to vent until the new carbonation level is achieved.  You can agitate the keg to fix carbonation more quickly.
  7. 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.  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!
  8. As an airlock for long term aging of beers.  Airlocks can run dry over time.  A Spunding Valve will not.

 

Lots more about Spunding Valves on our Spunding Valve Build Resource Post

As if this posting, this is eBay offering is selling for $26.99. Shipping is also free to many US addresses.  Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this this post was published; however, they may differ from those you see when you visit the product page. Check the product page for current price, description and availability.

Diaphragm Spunding Valve – Adjustable Pressure Relief Gauge Ball

Check out my Hands on Review of this great assembly!  Hands on Review: Kegland BlowTie Diaphragm Spunding Valve!

Also: Kegland DuoTight Push-In Fittings & EVABarrier Double Wall Draft Tubing at MoreBeer

More: Recent Great Deals

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DuoTight 8 mm to 1/4″ Flare – $2.99 – back in stock + Parts List to Build BlowTie Spunding Valve

Duotight Push-In Fitting - 8 mm (5/16 in.) x 1/4 in. Flare DUO106

Duotight Push-In Fitting – 8 mm (5/16 in.) x 1/4 in. Flare

More Info

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

This Duotight fitting with 1/4″ Flare is perfect for flared gas and beverage ball lock and pin lock disconnects. It can also be used to connect gas line to the flare fitting found on MKIII and KOMOS CO2 regulators. Compatible with EVABarrier 8 mm OD Tubing (D1717 & D1718).

The Duotight fitting does not require a flare washer. See the instructions below for how to ensure a leak-free connection when attaching to flare fittings.

Duotight fittings are high-quality push-in fittings that seal tight and offer superior sealing capacity due to the double O-ring sealing design.

High Performance Double O-Ring Design:
The secret to Duotight’s superior sealing performance comes from the fact that they use not one, but two high-quality EPDM O-rings. The double O-ring means they have literally twice the sealing surface when compared with other push-in fittings. This makes them more reliable and significantly reduces the chance of leakage.

The double O-ring system also means that tubing can be bent at a much tighter radius without causing leaking issues, which can be an issue with other fittings. This combination of factors makes Duotight the most reliable push-in fittings on the market.

EPDM offers excellent chemical resistance for a longer life span. When compared with silicone and vinyl, EPDM has much better gas transmission rates, better wear resistance, and is BPA-free.

No Clamps Necessary!
We recommend cutting your tubing straight, not on an angle, to ensure the line forms a complete seal. To remove the fitting simply push in the collet and the hose can be removed.

Features:
Insert tubing and firmly push in to attach
Easily release tubing by pushing in the collet
Suitable for both gas & beverage applications
Double O-rings made from EPDM
Pressure rated to 100 psi

 

This particular fittings has had availability issues.  As of this posting, MoreBeer has this in stock for just $2.99. Shipping is free with a qualifying $59 order to many US addresses. Price, promotions and availability can change quickly.  Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this this post was published; however, they may differ from those you see when you visit the product page.  Check the product page for current price, description and availability.

Duotight Push-In Fitting – 8 mm (5/16 in.) x 1/4 in. Flare DUO106

Check out the complete lineup: DuoTight Push In Fittings & EVABarrier Double Wall Draft Tubing at MoreBeer!

Build a BlowTie!

The BlowTie is a pretty amazing Spunding Valve solution.  Check out my Hands on Review

Here are the parts you need to put it together:

MoreDeals! at MoreBeer:

More: Recent MoreBeer Finds

Looking for a MoreBeer Deal? – Today’s Deal of the Day | Sale Items | MoreBeer Deals

2 X Brass 1/4″ Tees AND 2 X Barbs – $9.97 + free prime ship & “Cheapest” Spunding Build Option

WYNNsky Metals Brass Pipe Fitting Barstock Tee 2 PCS 1/4" x 1/4" x 1/4" NPT Female Pipe 2 PCS 1/4" NPT X 1/4" Hose ID Brass Hose Barb Fittings

WYNNsky Metals Brass Pipe Fitting Barstock Tee 2 PCS 1/4″ x 1/4″ x 1/4″ NPT Female Pipe 2 PCS 1/4″ NPT X 1/4″ Hose ID Brass Hose Barb Fittings

More Info

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

  • Adapts 1/4″ NPT Female end to 1/4″ tube size female end to 1/4″ tube size female end at a 90-degree angle
  • 2 PCS 1/4″ x 1/4″ x 1/4″ NPT Female Pipe Fittings, 2 PCS 1/4″ NPT Male X 1/4″ Hose ID Brass Hose Barb Fittings
  • Tee with three openings for connecting and branching three pipes
  • Use to connect hoses and equipment or wherever a threaded barbed fitting is required
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability

 

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.  A similar (different manufacturer and possibly specs) fitting and barb are featured in our “Cheapest” Spunding Valve Build Option

7/9/19 1 PM Central: This combo is selling for just $9.97. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability.

WYNNsky Metals Brass Pipe Fitting Barstock Tee 2 PCS 1/4″ x 1/4″ x 1/4″ NPT Female Pipe 2 PCS 1/4″ NPT X 1/4″ Hose ID Brass Hose Barb Fittings


Also Consider:

More: Recent Amazon Finds


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.

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UPDATE – Hands on Review: Kegland BlowTie Diaphragm Spunding Valve! – Purge Kegs w/CO2 Produced by Fermentation

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

Hands on Review Kegland BlowTie Spunding Valve

The BlowTie Spunding Valve assembly consists of the BlowTie, a DuoTight Tee Fitting, a DuoTight to flare fitting, a DuoTight pressure gauge and two small pieces of EVABarrier Tubing.

Here’s a look at each component…

Get the Gear, Review Continues Below:

The BlowTie is the heart of this build.  It has DuoTight Push to Connect connections on both side as well as an adjustment knob to set pressure. Continue reading →

Save on DuoTight Fittings & EVABarrier Tubing + Parts List to Build BlowTie Spunding Valve & Hands on Review

BlowTie Diaphragm Spunding Valve FE960

From MoreBeer:

Duotight and EVABarrier will revolutionize how you connect your draft line! We love Duotight push-in fittings for their quick connection, reliable seal, and versatility. Easily connect and disconnect your draft lines — no need to use hose clamps or cut your tubing to remove it! Thanks to the double EPDM O-ring design, Duotight fittings offer a superior connection and seal than similar push-in fittings. They’ll hold tight even when your lines are turning a tight corner, and they’re pressure rated up to 100 psi. These little guys come in a ton of different options to serve a multitude of functions — use them as tailpieces on shanks and keg couplers, replace the swivel nut and barb on your flared ball lock or pin lock disconnects, or add in-line shut off or check valves to your draft lines. And with a few tees and ball valves, you can put together a gas manifold for a fraction of the price of a typical brass or aluminum manifold.

EVABarrier is the tubing of choice to be used with our line of Duotight fittings. This high-quality double walled tubing offers superior protection against oxidation, CO2 loss and microbial growth. Plus, it’s BPA and PVC free! The outer barrier gives the tubing a nice stiffness that makes it extremely kink resistant and perfect for use with push-in fittings. The inner wall is an excellent gas barrier, keeping oxygen out and CO2 in. The internal surface of the tubing is extremely smooth, making it difficult for bacteria and microbes to cling to. All sizes of EVABarrier can be used for either gas or beverage line, but be sure to check the recommended lengths for beer lines.

Bring your draft system into the 21st century with Duotight and EVABarrier!

DuoTight Push In Fittings & EVABarrier Double Wall Draft Tubing at MoreBeer!

SAVE $25!  To celebrate the Fourth of July, MoreBeer is discounting orders of $150 or more by $25 when you promo code SAVE25.  Some restrictions apply

This does bundle with existing sale items!  and.. their generous free shipping promo and… since MoreBeer’s cart accepts multiple promo codes you can get in on this and their Deal of the Day (while supplies last).

$25 Off $150 at MoreBeer – remember coupon SAVE25 | Sale Items

Build a BlowTie!

The BlowTie is a pretty amazing Spunding Valve solution.  Check out my Hands on Review

Here are the parts you need to put it together:

Update: This promo has expired or pricing, availability or description has changed – Check the supplier’s site or product page for current availability

Recent Deals!  Last Fifty Finds

MoreDeals! at MoreBeer:

More: Recent MoreBeer Finds

Looking for a MoreBeer Deal? – Today’s Deal of the Day | Sale Items | MoreBeer Deals

Winters PEM Series Steel All Purpose Pressure Gauge 0 to 60 PSI + Spunding Valve Build

Winters PEM Series Steel Dual Scale Economical All Purpose Pressure Gauge with Brass Internals, 30 Hg Vacuum-0-60 psi/kpa, 2-1/2" Dial Display, +/-3-2-3% Accuracy, 1/4" NPT Bottom Mount

Winters PEM Series Steel Dual Scale Economical All Purpose Pressure Gauge with Brass Internals, 30 Hg Vacuum-0-60 psi/kpa, 2-1/2″ Dial Display, +/-3-2-3% Accuracy, 1/4″ NPT Bottom Mount

More Info

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

  • Brass wetted parts for measuring non-corrosive liquid and gas pressure
  • Circular dial is enclosed in a steel case for corrosion resistance
  • Measures pressure with dual scale (psi/kPa)/(Hg. vacuum/kPa)
  • Display accuracy is + or – 3/2/3% over the entire range of the gauge (ASME B40.100 Grade B)
  • Lower mount or center back male connection with either 1/8″ or 1/4″ NPT rate

 

I use a similar gauge (different manufacturer and model) in my Spunding Valve Build.   A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more.  See: [Build a Spunding Valve].

Winters PEM Series Steel Dual Scale Economical All Purpose Pressure Gauge with Brass Internals, 30 Hg Vacuum-0-60 psi/kpa, 2-1/2″ Dial Display, +/-3-2-3% Accuracy, 1/4″ NPT Bottom Mount


More: Recent Amazon Finds

Ready Made Spunding Valve from William’s Brewing – $23.99, Save 20% + stacking deal

0-15 ADJUSTABLE PRESSURE RELIEF VALVE

Adjustable Pressure Relief Valve Assembly via William’s Brewing

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

This adjustable pressure relief valve has a sensitivity of 0 to 15 psi. It has a 1/4″ female flare fitting on one end, which attaches to any threaded ball or pin lock gas fitting. Use this to make a keg pressure relief valve. Adjust the relief pressure by turning the knob on the right side of this assembly. Also known as a Spunding Valve.

A Spunding Valve has lots of applications…

Spunding Valve Uses
  1. 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.
  2. 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.
  3. Naturally and accurately carbonate beer right in the keg.
  4. 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.
  5. 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.
  6. Fix over-carbonated beers.  Use the same general process as for carbonation (skipping the addition of fermentable sugar).  Use a carbonation chart to determine proper pressure for the temperature the keg is at.  The Spunding Valve allows excess pressure to vent until the new carbonation level is achieved.  You can agitate the keg to fix carbonation more quickly.
  7. 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.  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!
  8. As an airlock for long term aging of beers.  Airlocks can run dry over time.  A Spunding Valve will not.

Lots more about Spunding Valves on our Spunding Valve Build Resource Post

 

If you’ve been eyeing our Spunding Valve Build, but don’t want to put it together yourself, here’s your chance.  William’s Brewing generally has this for $29.99.  Check the product page for current price, description and availability.

As of this posting, William’s Brewing has a summer clearance sale going on that discounts a large selection of items by 40%.  Note: discounted prices are reflected in your cart.  No coupon or promo code is required.  Check William’s for current selection and availability.

See: Summer Clearance at William’s Brewing

This sale saves you 20% and makes this pre-built Spunding Valve $23.99.

0-15 ADJUSTABLE PRESSURE RELIEF VALVE

Update: This promo has expired or pricing, availability or description has changed – Check the supplier’s site or product page for current availability

Recent Deals!  Last Fifty Finds

Also Consider: Build a Spunding Valve! – How and Why – Hands on Review: Kegland BlowTie Diaphragm Spunding Valve


Visit William’s Brewing – Web Only Clearance Sale

Recent William’s Brewing Finds [view more]:

rp:wmsspunding

10 x 1/4″ NPT Male x 1/4″ JIC Male + Building a Spunding Valve – $16, $1.60 each + free prime ship

Pack of 10 Eaton Weatherhead C5205X4X4 Carbon Steel 1/4″ NPT Male x 1/4″ JIC Male Fittings

These fittings could be used for a lot of things including putting together a Spunding Valve Build.   cln_tn_spundingA Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more.

See: [Build a Spunding Valve].  Take a look at Build Option 2 for a version that uses a similar although not identical fitting.

6/30/19 1 PM Central: These are selling for $16.  Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability. Also: Recent Amazon Finds and Amazon Fillers Resource Page

Eaton Weatherhead C5205X4X4 Carbon Steel SAE 37 Degree (JIC) Flare-Twin Fitting, Adapter, 1/4″ NPT Male x 1/4″ JIC Male (Pack of 10)


More: Recent Amazon Finds

Trick Your System Out With Kegland DuoTight Tubing System & EVABarrier Tubing – Get Free William’s Brewing Glassware

William’s Brewing has announced the availability of Kegland’s new DuoTight Connection System.  From William’s “The Kegland DuoTight System combines patented DuoTight O ring push fittings with EVABarrier lined barrier tubing in an easy to connect and disconnect system. No need to use hose clamps or cut tubing to remove.”

The lineup includes a number of options including a very economical Spunding Valve option.  Check out my hands on review… Hands on Review: Kegland BlowTie Diaphragm Spunding Valve!

Kegland DuoTight Fittings and Accessories!

Free Glassware: As of this posting, coupon code 40YEARS gets you a free pair of William’s Brewing Nucleated Pint Glasses (a $13.98 value) when you spend $80 or more at William’s Brewing.  Note that you do not need to add the pint glasses to your cart.  Just apply promo code 40YEARS and the free glasses will be added to your order.

Free William’s Nucleated Pint Glasses – remember promo code 40YEARS

Want to Double Dip on Savings?  Check out these stacking sales and deals

More Ideas – everyday great deals:

Visit William’s Brewing – Web Only Clearance Sale

More: Recent William’s Brewing Finds

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