Ready Made Spunding Valve – $29.99

via William’s Brewing Adjustable Pressure Relief Valve Assembly with 0 to 60 PSI gauge.  The PRV valve has a range of 15 to 50 PSI.  Has a 1/4″ female flare fitting (connect to your pin or ball lock QD).

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.

 

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

HBF Reader Christian Says… “I have four of these. Use them for fermenting under a controlled pressure. Also use them for counter pressure transfers. Highly recommend.”

0-60 ADJUSTABLE PRESSURE RELIEF VALVE

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2 thoughts on “Ready Made Spunding Valve – $29.99

  1. Christian Lavender

    I have four of these. Use them for fermenting under a controlled pressure. Also use them for counter pressure transfers. Highly recommend.

    Reply

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