Plugs & InsertsRubber Seal Plugs with Tabs

Designed specifically for plugging copper tubing and components in the HVAC and refrigeration industries, StockCap’s Tabbed Rubber Seal Plugs feature a self-sealing material that allows for the injection of gas that keeps tubes clean and dry during shipment and storage as well as a tab for easy insertion and removal.

  • Self-sealing
  • Tab allows for ease of removal
  • Tapered end for easy insertion
  • Designed for use plugging copper Tubing (ACR, Oxy, L, K, M, DWV, Medical)
  • Ideal for plugging compressors, dryers and filters
  • Non-staining

StockCap's line of 10 sizes of rubber seal plugs with tabs include the most popular sizes of copper tubing dimensions from a quarter inch to over 1 inch in diameter.

Manufactured using a special blend of  black EPDM rubber that reseals after gases are inserted through a needle. 

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Rubber Seal Plugs with Tab Diagram
Rubber Seal Plugs with Tabs
Plug Diameter "A" (in) Flange Diameter "B" (in) Plug Length "C" (in)
0.234 0.375 0.375
>0.313 >0.413 0.438
0.335 0.435 0.438
>0.375 >0.475 0.438
0.470 0.570 0.438
>0.610 >0.710 0.490
0.628 0.750 0.688
>0.703 >0.783 0.438
0.828 0.908 0.438
>0.980 >1.060 0.438
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