Din Unions for Metric Tube

Stainless Steel DIN Hygienic Full Couplings also called Unions

The sizes listed below are to suit Metric True Bore

Standard Couplings are made up of a Nut, Machined Liner, Blue EPDM Seal and Male Part.

There are different types of Seal: White=PTFE, Blue=EPDM, Green=Viton and Black= Nitrile

For an immediate quote please call sales on 01236 738755 or email sales@completestainless.co.uk



DIN Male Part Stainless Steel Grade 316

Size Tube DIM A DIM B 
DN o/d mm mm mm
       
15

18

 21 Rd 34 x 1/8”
20 23 24 Rd 44 x 1/6”
25 29 29 Rd 52 x 1/6”
32 35 32 Rd 58 x 1/6”
40 43 33 Rd 65 x 1/6”
50 54 35 Rd 78 x 1/6”
65 69 40 Rd 95 x 1/6”
75 76 40 Rd 104 x 1/6”
80 84 45 Rd 110 x 1/4”
100 104 54 Rd 130 x 1/4”
125 129 46 Rd 160 x 1/4”
150 154 50 Rd 190 x 1/4”
200 204 50 Rd 240 x 1/4”

DIN Liners Stainless Steel Grade 316

Size Tube  DIM A DIM B 
DN o/d mm mm mm
       
15 18 17 28.5
20 23 18 36.5
25 29 22 44
32 35 25 50
40 43 26 56
50 54 28 68.5
65 69 32 86
75 76 32 93
80 84 37 100
100 104 44 121
125 129 34 150
150 154 37 176
200 204 39 215

DIN Nut Stainless Steel Grade 304

SIZE Tube DIM A DIM B DIM C 
DN O/D mm mm mm mm
         
15 18 44 18 Rd 34 x 1/8”
20 23 54 20 Rd 44 x 1/6”
25 29 63 21 Rd 52 x 1/6”
32 35 70 21 Rd 58 x 1/6”
40 43 78 21 Rd 65 x 1/6”
50 54 92 22 Rd 78 x 1/6”
65 69 112 25 Rd 95 x 1/6”
75 76 120 26 Rd 104 x 1/6”
80 85 127 29 Rd 110 x 1/4”
100 104 148 31 Rd 130 x 1/4”
125 129 178 35 Rd 160 x 1/4”
150 154 210 40 Rd 190 x 1/4”
200 204 260 44 Rd 240 x 1/4”

DIN Seal EPDM

Size Tube DIM A DIM B DIM C
DN O/D mm mm mm mm
         
15 19 26 18 4.5
20 23 33 23 4.5
25 29 40 30 5
32 35 46 36 5
40 43 52 42 5
50 54 64 54 5
65 69 81 71 5
75 76 88 78 5
80 84 95 85 5
100 104 114 104 6
125 129 142 130 7
150 154 167 155 7
200 204 216 204 7

Complete Stainless Ltd, 76 Grayshill Road, Westfield Industrial Estate, Cumbernauld, G68 9HQ
Tel: 01236 738755 | Email: sales@completestainless.co.uk
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