hi guys just bought one of these to go on the lid of my king keg barrel 50mm Pressure Gauge Base Entry 0-15 PSI AIR AND OIL- Free UK Delivery | eBaybut i need a bulk head or an adapter i believe this is what i am trying to do https://www.youtube.com/watch?v=iF2oC150h-Y is this what i need BSPP...