MULTIPLE CONNECTIONS

Socket Weld Crosses

Socket weld crosses bring four pipe connections together at one junction. Each connection position and size forms part of the required configuration.

01 / PRODUCT OVERVIEW

Four connections. One junction.

A cross has two intersecting connection axes and four ends. It is used where the piping layout calls for opposing branches at a common junction.

An equal cross has matching nominal connection sizes. For a reducing arrangement, identify the sizes against connection positions so the intended geometry is clear.

Technical background references

General background for the explanation above. The project specification governs the actual selection.

02 / CONFIGURATIONS

How the configurations differ.

Equal crosses

All four ends have the same nominal connection size.

Reducing crosses

The connection sizes vary. A marked arrangement drawing removes uncertainty about their positions.

03 / PRODUCT KNOWLEDGE

Understand a junction with four ends.

A cross and a tee have different connection counts.

A tee has three connections: a run and one branch. A cross has four connections arranged on two intersecting axes. The distinction is the layout of the junction, rather than the material or pressure-class designation.

Compare with a tee
What does equal mean on a cross?

All four ends have the same nominal connection size. Equal describes the size arrangement; the fitting still has four separate connection positions.

Why are the positions important on a reducing cross?

When connection sizes differ, each size needs a position on the fitting. A labelled arrangement makes clear which pipe belongs at each end.

04 / SELECTION CONSIDERATIONS

What matters in the application.

Position identification

Number or label each connection on a drawing when the sizes differ.

Layout review

Check the junction arrangement against the piping design and the space available for adjoining pipework.

Project requirements

Identify the material, specified class and governing documents for the complete fitting.

05 / UNDERSTAND THE SPECIFICATION

What to include.

Crosses: specification checklist

  • Equal or reducing configuration
  • Size and position of each connection
  • Material designation and specified pressure class
  • Drawing reference and any special dimensional requirements
Order specificationDimensions, ratings, tolerances and availability are confirmed against the actual requirement. These illustrations are not manufacturing drawings.

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