2" and 3/4" drum closures( drum bungs and drflanges) for 55 gallon steel drums factory ISO9001 approval

2" and 3/4" Drum closures ( drum bungs and drum flanges) for 55 gallon steel drums

Material:  Steel

Finish: galvarnish(zinc plated)

factory ISO9001 approval

 Plating thickness: 3-11um

gaskets: a single PE ring,a buna ring,a EPDM ring or double gasekts with a BUNA ring and a EPDM ring

2" and 3/4" drum closures(drum bungs and drum flanges) for 55Gallon steel drums