Menu

Version 2 - Duotight BlowTie Diaphragm Spunding Valve w/ Integrated Pressure Gauge (0-15 PSI) Complete Kit

by KegLand
$29.99 & FREE Shipping over $49. Details
$34.95 Save $4.96 (14%)
List Price: $34.95
You save: $4.96 (14%)

In Stock.

The Blow Tie Spunding Valve 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.

  • The BlowTie 2 features an integrated pressure gauge.
  • Quickly and easily dial in your pressure setting.
  • Gauge is removable and can be swapped out with a gauge of a different pressure range.
  • Made from food grade acetal
  • Stainless screws
  • Easily disassembles for cleaning
  • 8mm (5/16") Duotight fittings at both ends
  • Interchangeable pressure gauge
  • Gauge reads from 0-15 psi

KegLand item #: KL15042

$29.99
& FREE Shipping over $49. Easy Returns.
No sales tax. (unless shipping to TX)

Most items can be returned within 30 days of receipt for a refund. Shipping charges are non-refundable.

Read more | Live chat

The Blow Tie Spunding Valve 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.

  • The BlowTie 2 features an integrated pressure gauge.
  • Quickly and easily dial in your pressure setting.
  • Gauge is removable and can be swapped out with a gauge of a different pressure range.
  • Made from food grade acetal
  • Stainless screws
  • Easily disassembles for cleaning
  • 8mm (5/16") Duotight fittings at both ends
  • Interchangeable pressure gauge
  • Gauge reads from 0-15 psi

KegLand item #: KL15042


Backed by a 1 year
Keg Factory Guarantee

Details »

The Blow Tie Spunding Valve 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.

The BlowTie 2 features an integrated pressure gauge so you can quickly and easily dial in your pressure setting. The gauge is removable and can be swapped out with a gauge of a different pressure range.

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 too 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.
 
Set Up
The BlowTie spunding valve comes with 8 mm Duotight fittings on the inlet and outlet, includes the recommended EVABarrier 8 mm OD tubing, Gas in flare quick disconnect and Duotight fitting (DUO106) in order to attach it to a ball lock or pin lock disconnect.
Dialing in your desired pressure is even easier with the BlowTie 2, thanks to the integrated pressure gauge. Simply start with the adjustment knob fully closed, then slowly open it until the gauge reading matches your desired pressure setting.
 
Specifications:
  • Made from food grade acetal
  • Stainless screws
  • Easily disassembles for cleaning
  • 8mm (5/16") Duotight fittings at both ends
  • Interchangeable pressure gauge
  • Gauge reads from 0-15 psi

WARNING: Do not exceed gauge pressure. Exceeding the pressure range will damage the gauge.

FREE Shipping over $49

Flat Rate $7.95 under $49

Shipping

  • FREE Shipping on all orders over $49 shipping within the contiguous U.S.
  • Most in-stock orders ship the following business day.
  • Standard ground shipping typically takes 1-3 business days in transit
    • please note: we are experiencing delays in some fulfillment centers due to COVID-19 and wildfires. 

    FedEx / UPS / USPS Shipping:

    • FREE over $49*
    • Flat rate $7.95 under $99
    • 1-3 business days in transit
    • Does not require Signature

    Returns

      We're committed to your total satisfaction. You may return your items within 30 days of their delivery. Please follow the instructions below.  

        Return Eligibility:     

        • Returns must be in brand new condition.     
        • Items must be returned in their original packaging.     
        • Items must include all parts, pieces, and manuals.     
        • Items cannot be assembled or used in anyway. 

        Restocking fees are typically not applied, however, in some cases a restocking fee not to exceed 30% will be withheld from your returned merchandise total.  Shipping costs are non-refundable.

        If you have any further questions, please do not hesitate to contact us!

         

        * Free Shipping only applies to orders over $49.00, shipping within the contiguous United States.

        More Items to Consider

        Product Overview

        The Blow Tie Spunding Valve 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.

        The BlowTie 2 features an integrated pressure gauge so you can quickly and easily dial in your pressure setting. The gauge is removable and can be swapped out with a gauge of a different pressure range.

        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 too 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.
         
        Set Up
        The BlowTie spunding valve comes with 8 mm Duotight fittings on the inlet and outlet, includes the recommended EVABarrier 8 mm OD tubing, Gas in flare quick disconnect and Duotight fitting (DUO106) in order to attach it to a ball lock or pin lock disconnect.
        Dialing in your desired pressure is even easier with the BlowTie 2, thanks to the integrated pressure gauge. Simply start with the adjustment knob fully closed, then slowly open it until the gauge reading matches your desired pressure setting.
         
        Specifications:
        • Made from food grade acetal
        • Stainless screws
        • Easily disassembles for cleaning
        • 8mm (5/16") Duotight fittings at both ends
        • Interchangeable pressure gauge
        • Gauge reads from 0-15 psi

        WARNING: Do not exceed gauge pressure. Exceeding the pressure range will damage the gauge.

        About KegLand

        KegLand, a land of stainless steel where everything is on tap! We have all your beer brewing and keg dispensing essentials available to make your wildest beer dreams a reality. Join us on our never ending quest to discover, create and dispense beverage perfection. Kegland is a place where our amber bounty flows abundantly. It’s a place where every day is a celebration in honour of all that comes from the keg. We are in awe of the mysterious power of kegs where the seemingly endless flow of good times originates and with every pour from the faucet our bond between man and beverage grows stronger.

        FREE Shipping over $49

        Flat Rate $7.95 under $49

        Shipping

        • FREE Shipping on all orders over $49 shipping within the contiguous U.S.
        • Most in-stock orders ship the following business day.
        • Standard ground shipping typically takes 1-3 business days in transit
          • please note: we are experiencing delays in some fulfillment centers due to COVID-19 and wildfires. 

          FedEx / UPS / USPS Shipping:

          • FREE over $49*
          • Flat rate $7.95 under $99
          • 1-3 business days in transit
          • Does not require Signature

          Returns

            We're committed to your total satisfaction. You may return your items within 30 days of their delivery. Please follow the instructions below.  

              Return Eligibility:     

              • Returns must be in brand new condition.     
              • Items must be returned in their original packaging.     
              • Items must include all parts, pieces, and manuals.     
              • Items cannot be assembled or used in anyway. 

              Restocking fees are typically not applied, however, in some cases a restocking fee not to exceed 30% will be withheld from your returned merchandise total.  Shipping costs are non-refundable.

              If you have any further questions, please do not hesitate to contact us!

               

              * Free Shipping only applies to orders over $49.00, shipping within the contiguous United States.


              Can't find your part?

              We can source it for you!

              We strive to stock it all, however, if you can't find the part(s) you need on our site, let us know, and we will source it for you to be delivered in under a week in most cases.

              Submit your request here

              support@kegfactory.com

              You recently viewed

              Clear recently viewed