safety snap cap for gas cyliner

Usage: it is widely used in the gas industry line, equiped with neck ring, it can protect the cylinder valve well

Material: Carbon steel, it has enough strength 

Technology:  closed type: by extruding, conic type by welding, and open type is by bending and welding 

Thread size: W80-11, other thread can be done as per customs demands

Surface: Sand blasting first,then zinc plating , or plastic powder coating

Packing: by export cartons, for heavy type of caps , we use plywood case to load them