What characteristics does the Whitworth pipe thread according to DIN EN 10226-1/2 have?

This standard describes conical Whitworth pipe threads with a flank angle of 55°, which are commonly used for pressure-tight connections in pipeline installations.

Data table of Whitworth pipe thread according to DIN EN 10226-1/2

Here you will find the dimensions of the conical Whitworth pipe thread according to DIN EN 10226-1/2 with a flank angle of 55°.


External thread 
Designation
Internal thread 
Designation
Pitch Core diameter [mm] Number of threads per 25.4 mm
R1/16" Rp1/16" 0.907 6.561 28
R1/8" Rp1/8" 0.907 8.566 28
R1/4" Rp1/4" 1.337 11.445 19
R3/8" Rp3/8" 1.337 14.950 19
R1/2" Rp1/2" 1.814 18.631 14
R3/4" Rp3/4" 1.814 24.117 14
R1" Rp1" 2.309 30.291 11
R1 1/4" Rp1 1/4" 2.309 38.952 11
R1 1/2" Rp1 1/2" 2.309 44.845 11
R2" Rp2" 2.309 56.656 11
R2 1/2" Rp2 1/2" 2.309 72.226 11
R3" Rp3" 2.309 84.926 11
R4" Rp4" 2.309 110.072 11
R5" Rp5" 2.309 135.472 11
R6" Rp6" 2.309 160.872 11


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Portrait von Dirk Göttgens

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