kegland 6.35/8/9.5mm X 6.35/8/9.5mm Female Valve Quick Connector Tube Fitting Beer Accessories Home Brewing

KL21968 monotight - 6.3mm (1/4”) Female x 6.3mm (1/4”) Female One Way Check Valve (Gas/Water)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. This fitting is ideally used with 4mm ID x 6.3mm OD PE water line hosingNo clamps necessary! ​We do recommend cutting your hosing straight, not on an angle, to ensure the line has a complete seal. To remove the fitting simply push in the collet and the hose can be removed. These push in fittings are suitable to be used up to 100 psi.-

---------------- KL07498 duotight - 9.5mm (3/8”) Female x 9.5mm (3/8”) Female One Way Check Valve (Gas)This elbow piece is suitable for our EVABarrier Beer & Gas hosing in 9.5mm (3/8") OD line to 6.5mm (1/4") OD. Due to the fact that this check valve cannot be taken apart to clean, we do not recommend it to be used with liquid.

----------------- ​ KL07047 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.This fitting is ideally used with EVABarrier 5mm x 8mm or EVABarrier 4mm x 8mmduotight 1.10 Design Revision