PIPE PLUGS

PIPE PLUGS

A pipe plug is a type of fitting used to close the end of a pipe or to block the flow of fluid within a pipe system. It typically consists of a cylindrical body with external threads that match the internal threads of the pipe. The plug is threaded into the pipe to create a seal, preventing the flow of liquid or gas through the pipe. Some pipe plugs may also have a square or hexagonal head to facilitate tightening with a wrench or can have a broached hexagonal socket when the plug needs to sit flush.

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Specifications & Technical Data

Square Head Plug Dimensions

Nominal Pipe Size Minimum Length, A Minimum Square Height, B Minimum Width Flats, C
1/8 0.38 0.25 0.28
1/4 0.44 0.25 0.38
3/8 0.50 0.31 0.44
1/2 0.56 0.38 0.56
3/4 0.62 0.44 0.62
1 0.75 0.50 0.81
1 1/4 0.81 0.56 0.94
1 1/2 0.81 0.62 1.12
2 0.88 0.69 1.31
2 1/2 1.06 0.75 1.50
3 1.12 0.81 1.69
4 1.25 1.00 2.50

 

Round Head Plug Dimensions

Nominal Pipe Size Minimum Length, A Nominal Head Diameter, E Minimum Length, D
1/8 0.38 0.41 1.38
1/4 0.44 0.53 1.62
3/8 0.50 0.69 1.62
1/2 0.56 0.84 1.75
3/4 0.62 1.06 1.75
1 0.75 1.31 2.00
1 1/4 0.81 1.69 2.00
1 1/2 0.81 1.91 2.00
2 0.88 2.38 2.50
2 1/2 1.06 2.88 2.75
3 1.12 3.50 2.75
4 1.25 4.50 3.00

Hex Plugs and Bushing Dimensions

Nominal Pipe Size Minimum Length, A Nominal Width Flats, F Minimum Hex Height, C
Bushing, G Plug, H
1/8 0.38 0.44 0.25
1/4 0.44 0.62 0.12 0.25
3/8 0.50 0.69 0.16 0.31
1/2 0.56 0.88 0.19 0.31
3/4 0.62 1.06 0.22 0.38
1 0.75 1.38 0.25 0.38
1 1/4 0.81 1.75 0.28 0.56
1 1/2 0.81 2.00 0.31 0.62
2 0.88 2.50 0.34 0.69
2 1/2 1.06 3.00 0.38 0.75
3 1.12 3.50 0.41 0.81
4 1.25 4.62 0.50 1.00

Pipe Plugs Specifications

  • STANDARD (ASME/ANSI)
    • ASME B16.11-2011
  • METRIC (IFI)
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Industries We Serve

Nickel Systems provides high quality exotic grade materials that hold up in the toughest, most severe heat and corrosive environments. With our large inventory of specialty fasteners in stock, we are always ready to answer the call to serve the most challenging applications.

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