Cap on a propane cylinder

Cap protective plastic on a propane cylinder of 50 l (21 kg).

The cap protective is intended for protection of the gate on cylinders steel welded for the liquefied hydrocarbonic gases on pressure to 1,6 MPas, from mechanical damage when transporting, from blows by the gate when falling a cylinder, from hit on the gate of pollution at storage, and transportation.
It is used for cylinders state standard specifications 15860-84.
Carving pipe cylindrical GOST 6357-81.
Red color — under the order.