Nozzle body:aluminum alloy Sealing:fluorld rubber, acrylonltrlle-butadlene ... , etc, and is applicable for filling light oilsMaterials: Nozzle body:aluminum alloySealing:fluorld rubber,acrylonltrlle-butadlene rubberJogger seal:oil ... : If other articles are used to keep the automatic nozzle under the normally open state, it will result in ... closed and cause personal hurt. self-isolation automatic nozzle