What is an open head steel drum?
The open head steel drums feature a removable lid or cover. The removable cover can be sealed with a closing ring to secure the product inside the drum. The closed head steel drums feature a tight head with no removable lid. The top and bottom are permanently attached to the drum.
What is the difference between open head and tight head drums?
So what is the difference between an open and tight head drum? An open head container, also called 1A2 drums, has a fully removable cover secured with a Lever lock or bolt ring closure. Tight head drums, also known as closed head or 1A1 drums, have a non-removable top.
What are the plugs that closed head drums openings are closed off with called?
Once drums are filled, plugs (bungs) are screwed in the flanges using pneumatic or hand operated bung tightener (plug or torque wrench). To secure the contents of the drums against theft and adulteration during shipment, cap-seals are used.
What is un drum?
If a drum is UN rated, it means it’s certified to carry hazardous or dangerous materials, either in storage or transport. UN ratings are set by the United Nations and are designed to ensure that industrial packaging, such as a plastic drum or steel drum, has met rigorous safety standards.
What is a tight head plastic drum?
Industrial grade tight head plastics drums are used for a variety of purposes. The NPS tight head plastic drums are made out of high-density polyethylene or HDPE. This is a high-density food grade plastic that can be recycled. It is designed to remain stable and is resistant to chemicals.
Are plastic drums airtight?
The engineers and experts that design and create 55 gallon plastic drums realize that what they produce are a safe, secure, and airtight method for shipping and storing a wide range of materials.
Are steel drums galvanized?
The zinc surface protects the underlying steel. Both ends are manufactured from electrogalvanized steel sheets. The drum body undergoes a hot-dip galvanisation which takes place after welding the sheets.
What are bungs on a drum?
The “Flexspout” bung has a retractable pour spout for easier drum emptying (a little like the spout of an engine oil can). This bung can be used only on drums with a specific bunghole. The bung is crimped onto on the drum, an operation that requires specific manual or pneumatic crimping pliers.
What is a steel drum used for?
Reconditioned and new Steel Drums are available. Steel Drums are available in open head (removable top) or tight head (sealed top with fittings). Stock Drum linings include epoxy phenolic or unlined. Steel Drums can be used for shipping, packaging, and storage.
Can open head drum be used for holding liquids?
Open heads are best used for solids and viscous liquids. When items such as honey, paint, or even radioactive waste are being shipped or stored an open head drum should be used. Tight heads are best used for liquids, contents that can be easily drained through the fittings, such as flavors, fragrances, or beverages.
What are stainless steel drums used for?
Stainless Steel Drums offer an ideal solution for products requiring drum purity and compatibility of materials, depending on their composition. Due to unique properties, these drums can outperform carbon steel drums in terms of corrosion resistance, tensile strength and reusability.
What is an open head drum?
Open or Closed Head: Open-head drums are typically used in situations where frequent addition or extraction of the contents occurs. Open-head drums make it easier to work with solids and thicker liquids (soils, absorbents, syrups, glues, oils, etc.) while tight-head drums are typically used with lower viscosity liquids.