Product Announcements:
Caps, Grips, and Closures

Series VFC Caps feature a long flat tab centered at the top of the closure which allows easy removal of the cap. Read more...

Series MS Caps, used for MS style fittings, are easy to install and remove. Engineered with aerospace quality, these caps are available in all common hydraulic nut sizes. No tools are required to install Series MS Caps, which come in a high visibility yellow. Read more...

Caplugs announces their new line of vinyl caps with a tether strap. These caps are ideal for use on compressed gas valves that often require frequent removal and reapplication of the cap. The tethered end allows the cap to hang freely from the valve when the cap is not in use, but keeps it attached to the valve so it's quick and easy to find when it needs to be reapplied. Read more...

Thousands of caps available in different materials, sizes and designs including: tapered, threaded, tear-tab, tethered, load bearing, and more. Read more...

Knurled for ease of application, CD Series Caps seal flared JIC fittings exceptionally well against dirt and moisture, and are also used for masking during painting and plating. Read more...

Caplugs has thousands of custom molds in the tooling library. Just because you don't see it on our site, doesn't mean we don't have a part to fit your needs. Read more...

Here to help you make the right product protection decision. Read our Case Studies Read more...

Hydraulic systems utilize pressurized fluid to power commercial and industrial machinery. In addition to high pressures, this equipment is subjected to hot environments, the elements, corrosive media, and contaminants, making these systems vulnerable to leaks and the resulting pressure drops. To prevent this during operations, manufacturers rely on high-quality hydraulic seals. Read more...