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CMT Engineering Ltd, Corngreaves Road
Cradley Heath, West Midlands
B64 7DG, United Kingdom

BS EN10241 socket unions

A cross-sectional diagram illustrating two female socket unions. The diagram shows the threaded ends of the unions and the internal female sockets. Dimensions are labeled with "T" and "L".

Flat seat

A photo of a disassembled union fitting with all its components: the nut, the union body, and the ferrule. A rubber gasket is also visible.

Cone seat

A collection of plumbing fittings, including a union, a nut, and a coupling

Dimensions and weights chart

A table listing the nominal bore, overall length, thickness of the nut, and weight of pipe nipples in both metric and imperial units.
  • Flat seat unions are fitted with Phoenix PG-T gaskets 1mm thick.
  • Gaskets must be kept clean and dry and should not be over-tightened.
  • Although all components are produced from solid bar our recommended design pressure rating is reduced to 50 bar because the union is used only as an assembly.

To download our data sheet as a PDF, please click the link below.

WI union