The Gaslow 21mm Clip-on Adaptor 01-1670 is used to Convert 21 mm clip on Gas cylinders, such as used on Calor gas Butane gas cylinders, to 21.8LH screw thread. Output pressure through the adapter will be cylinder pressure. Normally connected to a bulkhead mounted 30mbar regulator via high pressure pigtails.
The Gaslow 21mm Clip-on Adaptor 01-1670 can also be used to connect to the Gaslow Local Cylinder connection hose. The adapter then converts the 21.8LH fitting on the 01-4500 hose to fit a 21mm gas cylinder connection.
Please note this adapter 01-1670 is not a regulator..