Thank you to /u/workaccount32 on reddit for this photo

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.  Read lots and lots more about Spunding Valves, ways to use them and different build options on our Spunding Valve Resource Post

Cheapest Option:  Generally speaking, the brass variations of the fittings featured in our various Spunding Valve builds are probably going to be the most economical route to go.  This is a general statement and may not always be the case.  Check product pages for current prices and availability.

Product pages may display other size variations of the fittings used here.  If a particular size is out of stock, sometimes suppliers link to another size.  All thread sizes for this build, both NPT and barbs, are 1/4″.

• Control Devices CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4″ Male NPT – (* sizing note)
• Zenport DPG60 Zen-Tek Dry Air Pressure Gauge, 60 PSI – (* sizing note)
• Anderson Metals 56101 Brass Pipe Fitting, Barstock Tee, 1/4″ x 1/4″ x 1/4″ NPT Female Pipe – OR Brass Combo, below – (* sizing note)
• Anderson Metals 57001 Brass Hose Fitting, Adapter, 1/4″ Barb x 1/4″ NPT Male Pipe (* sizing note) – OR Brass Combo, below – (* sizing note)
• Dixon Valve TTB75 PTFE Industrial Sealant Tape, -212 to 500 Degree F Temperature Range, 3.5mil Thick, 520″ Length, 3/4″ Width, White – or similar

Brass Combo –  This package gets you two brass tees and two brass barbs: 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 – this combo would replace the two Anderson Metals Fittings above – (* sizing note)

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

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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. top:spundingvalvelnksto lnksto:spundingvalve rp:lnkstobrassspundingvalve