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.

Key Features

  • 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

10 Sizes

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.

Color & Material Specs

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

Rubber seal plugs with tab diagram

Rubber Seal Plugs with Tabs

Plug Diameter “A” (in)Flange Diameter “B” (in)Plug Length “C” (in)
0.2340.3750.375
0.3130.4130.438
0.3350.4350.438
0.3750.4750.438
0.4700.5700.438
0.6100.7100.490
0.6280.7500.688
0.7030.7830.438
0.8280.9080.438
0.9801.0600.438