Strapping seals and buckles are manufactured for specific types of strapping and applications. It is important to match the fastener with the appropriate strapping, tensioner and sealer. A variety of designs are shown below. Many of these designs are available in several sizes, lengths, gauges, etc. We would be happy to guide you through the fastener jungle based on your type of strapping and application.
This is the most common seal used for standard duty steel strapping. It can be applied to the strapping after the strap has been tensioned around the product.
Also known as a Pusher Seal or a Push On Seal, this seal is called for when steel strapping is used to make cylindrical bundles from such items as pipe or slab wood. The strapping is threaded through the seal, taken around the bundle, then threaded back through the seal. The end of the strap is then bent under the seal. This forms a lasso with the seal serving as the knot. A special strapping tool is then placed behind the seal, to push it forward until the strapping is tight around the bundle. The seal is then crimped to complete the process.
These seals are nested so that they can be easily inserted into the magazine of an older type of combination tool. The tool can then be used to tension and seal the strapping. Most magazine combination tools have been replaced by sealless combination tools such as the MUL-16 or MUL-20.
This is a common seal used for high tensile steel strapping. Like the open seal, it can be applied to the strapping after the strap has been tensioned around the product. This seal is used with a wide variety of tensioners and sealers.
This seal is called for when steel strapping is used to make cylindrical bundles from such items as pipe or steel rod. The strapping is threaded through the seal, taken around the bundle, then threaded back through the seal. The end of the strap is then bent under the seal. This forms a lasso with the seal serving as the knot. A special strapping tool is then placed behind the seal, to push it forward until the strapping is tight around the bundle. The seal is then crimped to complete the process.
The closed seal is available in several sizes but is seldom used with anything other than 2" x .044" high tensile strapping.
Seals for polypropylene strapping are made from smooth galvanized steel and can be applied after the strapping has been tensioned.
Seals for polyester and nylon strapping are manufactured from steel that has a corrugated or serrated surface on the inside of the seal that can dig into the strapping to provide a secure grip. These are often called "Orgapack seals"; named for the company that originated the design.
Buckles designed for use with light to medium duty polypropylene strapping.
Buckles designed for use with medium to heavy duty polypropylene strapping.
Buckles designed for use with light to medium duty polypropylene strapping applications where metal is not desired. These buckles should not be used for high tension applications.
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Mechanicsburg, PA 17050
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