Type-D Sanke Coupler - Full Stainless Steel (no tailpieces)
Commonly referred to as the "Twist On Coupler" this is the correct coupler for most North American commercial kegs.
1 x - D-Type Coupler with 5/8" Male Beer and Gas threads
1 x - Non-Return Ball or Torpedo check piece (Non-Return Liquid)
1 x - Gas Duck Bill valve (Non-Return Gas)
How to install Gas Duck Bill Valve
Remove black EPDM washer inside 1 of the duotight push in fittings that you will use for gas. The duck bill valve is a washer as well as a non-return check piece.
It is optional, you do not have to use the non-return check pieces for gas or liquid.
Note: There is no pressure relief valve on this coupler and this coupler does not include hex nuts or tailpieces.