What standards apply to milk pipe fittings according to DIN 11851?

This standard describes the dimensions and specifications for milk pipe fittings that have been specifically developed for the food industry.

Data Table for Milk Pipe Fitting according to DIN 11851

Here you will find the dimensions of the milk pipe fitting specifically designed for the food industry according to DIN 11851.


Nominal size Thread Diameter
external 
[mm]
Diameter 
Bolt [mm]
Diameter 
Core hole nut [mm]
Pitch Number of divisions
per 25.4 mm
DN 10 Rd 28 x 1/8“ 28.318 24.825 25.142 3.175 8
DN 15 Rd 34 x 1/8“ 34.318 30.825 31.142 3.175 8
DN 20 Rd 44 x 1/6“ 44.423 39.767 40.190 4.233 6
DN 25 Rd 52 x 1/6“ 52.423 47.767 48.100 4.233 6
DN 32 Rd 58 x 1/6“ 58.423 53.767 54.190 4.233 6
DN 40 Rd 65 x 1/6“ 65.423 60.767 61.190 4.233 6
DN 50 Rd 78 x 1/6“ 78.423 73.767 74.190 4.233 6
DN 65 Rd 95 x 1/6“ 95.423 90.767 91.190 4.233 6
DN 80 Rd 110 x 1/4“ 110.635 103.650 104.285 6.350 4
DN 100 Rd 130 x 1/4“ 130.635 123.650 124.285 6.350 4
DN 125 Rd 160 x 1/4“ 160.635 153.650 154.285 6.350 4
DN 150 Rd 190 x 1/4“ 190.635 183.650 184.285 6.350 4


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Portrait von Dirk Göttgens

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