duotight - 8mm (5/16”) Female x 8mm (5/16”) Female One Way Check Valve (Gas)

This very handy fitting could save you your regulator and is a good investment. This particular type of check valve has low opening pressure of only 1psi.  This check valve is suitable for clean liquids such as water or for gas.  The spring and internal components are made with stainless steel and quality EPDM seals.

Generation 2 duotight
- Colour Coded Collets (6.35mm [1/4"] = Green ~ 8mm [5/16] = Black ~ 9.5mm [3/8] = Blue)
- Burst pressure is over 300psi @ 25°C
- Material Polyketone (POK) no longer Acetal (like John Guest Fittings)
- Higher Chemical & UV Resistance
- Excellent Gas Barrier Properties with EPDM + Silicone Seals
- Superior Performance in Cold Temperatures
- Easier to fit with Gauge depth indicators >|    |<

Compatible with our
KL06224 - EVABarrier 4mm ID x 8mm OD line
KL06231- EVABarrier 5mm ID x 8mm OD line
KL42741 - Red EVABarrier 5mm ID x 8mm OD line
KL42765 - Black Lightshield EVABarrier 4mm ID x 8mm OD line
Not compatible with 6mm ID x 10mm OD line