These steel drum bung and plug come available in zinc plated and phenolic lacquered styles, preventing from various corrosive contents. Steel drum closures, steel drum caps are equipped with well-formulated EPDM, NBR or PE gasket, the different materials make it perform well under different filling conditions. Dual gasket system is another common choice in European area as two combined washers can seal with better security.

The octagonal flange is supposed to riveted on metal bung drum lid providing a seal base for drum plug to be torqued on, those 2'' and 3/4'' set make up an universal closing system for standard close head drum. It is necessary to have a well- designed paint cap covering on drum lid mouth, preventing the inner side of drum from spraying paints contamination. Secure your drum or barrel during packaging, storage and transport with our steel drum closure!

Types of Steel Drum Closure

Zinc Plated Drum Flange

Zinc Plated Drum Plug

Lacquered Drum Flange

Lacquered Drum Plug

Drum Paint Cap

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Features of Steel Drum Closure

Zinc Plated Drum Flange

Octagon zinc plated drum flange is the key base for steel, plastic, nylon plug screwing in.

Zinc Plated Drum Plug

Fitted with EPDM, Buna or PE gasket, drum plug plays the initial guard ensuring fillings integrity.

Lacquered Drum Flange

Painted drum flange is selected for drum while there is more corrosive content within.

Lacquered Drum Plug

G2 and G3/4 drum plug treated with lacquer, is often chosen for special chemicals or food grade products.

Drum Paint Cap

Avoid of interior contamination, drum paint caps are efficient protective caps during drum painting process.

How To Use Steel Drum Closure?

Drum flange needs to be riveted onto drum top by flange insertion die before using. It forms a base for metal drum plugs to screw in after drum flange riveted. Customers could choose steel drum plug, plastic drum plug or nylon plug based on contents in the drum.

Appropriate torque is essential while screwing drum plug, excess or lack of torque will lead to leaking risks of the container. After both drum flange and plug are properly installed, it forms a sealing system for drum.

Flange riveting is crucial in terms of final sealing results. Regular maintenance or replacement of insertion die is necessary to keep riveting quality. Key parameters, including insertion die abrasion and flange height after riveting, need to be checked if problems occur.

As one of the leading 55 gallon drum accessories manufacturers, Chongyi offers a wide range of XEAL® drum bung fittings as well as drum closure tools for industrial packaging. The major product, drum seal cap, is the key fittings for 55 gallon drums. Drum seal cap covered on enhances a higher safety level for both plastic and metal drums. Drum locking clamp & ring clasp the lid and body of open head HDPE and steel drums. Customers can always find necessary drum closure tools and parts here for their containers, such as crimping tools, pump and faucet. Comply with metal drum supplier' demands, Chongyi developed auto drum flange die and plug capping machine for superior production efficiency.

If you are looing for a reliable cap seal supplier, please choose us, and we will be your best partner.