说明
Hose adapters are available with three different connecting threads: G 1/8”, G 1/4” or 7/16”.
The adapter with G 1/4” thread fits most control blocks.
The version without the nonreturn valve (4114973-G 1/8) is recommended for gas springs. There is a risk, when fitting the adapter with nonreturn valve directly to a gas spring, that the valve is not properly opened if a bad hose connecting is made; thus preventing the gas spring from bei