Accessories · Accessory

Dairy coupling cap

Cap for dairy couplings to DIN 11851. The cap has a female round thread (DIN 405-1) and is screwed onto a part with male thread, such as a VMS part, when the line is to be closed. The cap is made of stainless steel 1.4301 with a beige NBR seal. Available from DN 25 to DN 100.

Download datasheet (PDF)

DIN 11851 Stainless steel 1.4301 DN 25 to DN 100
  • Stainless steel
  • DIN 11851

Technical specifications

The product's key specifications are briefly summarised below.

Type Cap with female thread
Material Stainless steel 1.4301
Seal NBR, beige
Thread Dairy round thread to DIN 405-1, female
Standard DIN 11851
Manufacturer SKU 5543

Dimensions and ordering

The table shows the standard sizes of the cap.

Dimensions and article numbers for Dairy coupling cap
Nominal width
[mm]
Outer Ø
[mm]
Thread Weight
[kg/pc.]
Article no.
2563Rd 52 x 1/6"0.2175543025000
3270Rd 58 x 1/6"0.2425543032000
4078Rd 65 x 1/6"0.2995543038000
5092Rd 78 x 1/6"0.4345543050000
65112Rd 95 x 1/6"0.7255543063000
80127Rd 110 x 1/4"0.9755543075000
100148Rd 130 x 1/4"1.4245543100000

Nominal width is the coupling's nominal size (DN). Outer Ø is the outer diameter of the cap. The thread is dairy round thread (Rd) to DIN 405-1, given as outer diameter in mm and pitch in inches. Weight is per piece.

Frequently asked questions

Which size should I choose?

Choose the same DN and thread as the part the cap is screwed onto. Both are given in the table.