Caps and Plugs

Caps and plugs are an ideal way to keep your disconnected fittings flow path freer from debris. The SeriesLock caps fit all of our standard male housings, while the plugs fit all of our standard female housings.

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Cap Diagrams
Cap (Dimension in Inches)
Tubing Size A B C
1/8″ 1.29 0.25 0.64
3/16″ 1.29 0.25 0.64
1/4″ 1.30 0.25 0.76
3/8″ 1.30 0.25 0.76
1/2″ 1.50 0.25 1.06
3/4″ 1.50 0.25 1.06
Cap Weights (gr)
Tubing Size PP
1/8″ 1.10
3/16″ 1.10
1/4″ 1.40
3/8″ 1.40
1/2″ 2.20
3/4″ 2.20
Plug Diagrams
Plug (Dimension in Inches)
Tubing Size A B C
1/8″ 1.31 0.25 0.79
3/16″ 1.31 0.25 0.79
1/4″ 1.36 0.25 0.79
3/8″ 1.36 0.25 0.79
1/2″ 1.36 0.25 1.25
3/4″ 1.36 0.25 1.25
Plug Weights (gr)
Tubing Size PP
1/8″ 1.40
3/16″ 1.40
1/4″ 1.70
3/8″ 1.70
1/2″ 2.90
3/4″ 2.90