Hygienic seals

Hygienic seals are used in Stainless Steel pipework systems. These seals find common applications across various sectors, including:

  • Food processing

  • Beverage production

  • Pharmaceutical manufacturing

  • Biomedical research and development

  • Life science industries

They are integral components in systems employing SIP (Sterilize In Place) and CIP (Clean In Place) methodologies.

They are also known as Tri-clover/Tri-clamp seals.

Standards

DIN11851
The DIN union is the German standard Hygienic fitting. These items are manufactured to suit both DIN Metric tube & Imperial O.D. tube.

Ref
DN10
DN15
DN20
DN25
DN32
DN40
DN50
DN65
DN80
DN90
DN100
DN125
DN150

Nom’ Size (mm)
10
15
20
25
32
40
50
65
80
100
125
150
200

C (mm)
10.5
14.2
18.2
18.4
23.9
29.9
38.6
38.6
44.5
56.5
72.3
85.1
110.5
134.7
163.3
214.2

Nominal size
1” 25mm
1 1/2” 38mm
2” 51mm
2 1/2” 63mm
3” 76mm
4” 102mm

ID mm
12
18
23
30
36
42
54
71
85
94
104
130
155

C (mm)
10.2
10.9
15.4
19.5
22.8
31.5
35.8
37.8
48.78
60.5
67
731
85.1
97.8
110.5
135.9
163.3
214.1

OD mm
20
26
33
40
46
52
64
81
95
104
114
142
167

Height mm
4.45
4.5
4.5
5
5
5
5
5
5
5
6
7
7

Available materials
NBR
EPDM
SILICONE
VITON
HNBR

IDF ISO2853

DIN Size
DN25
DN38
DN51
DN63.5
DN76.1
DN101.6

ID mm
23.6
36.6
49.6
61.3
73.9
98.6

C (mm)
10.2
16.2
20.2
26.2
32.2
38.2
50.2
66.2
81.2
100.2
125.2
150.2
200.2

G (mm)
27.5
27.5
275
43.5
43.5
43.5
3.5
56.5
56.5
70.5
83.5
97
122
146
174
225

RJT Seals
Red joint type - This was the original hygienic fitting in the UK.

IDF Ref
08499
08500
08501
08502
08504
08505

OD mm
32.5
46
59.5
73.2
86.5
112.5

ID
24mm
35mm
48mm
61mm
73mm
99mm

Available materials
NBR
EPDM
SILICONE
VITON

Tri-Clover clamp seals
This type of seal is the standard used in the pharmaceutical industry. Also known as Tri-clamp seals.

BS4825

Size mm
25.4
38.1
50.8
63.5
76.2
101.6
114.3
139.7
168.3
219.1

Size (inch ”)
1”
1 1/2”
2”
2 1/2”
3”
4”
4 1/2”
5 1/2”
6 5/8”
8 5/8”

C
22.8
35.5
48.2
60.5
73.2
97.8
110.5
135.9
163.3
214.1

E/S (mm)
34
34
34
34
50.5
50.5
50.5
64
64
77.5
91
91
106
119
130
155
183
233.5

E/S (mm)
34
34
34
50.5
50.5
50.5
64
91
106
119
155
183
233.5

E/S (mm)
34
34
34
50.5
50.5
50.5
50.5
64
64
77.5
91
106
130
155
183
233.5

Thickness
7mm
7mm
7mm
7mm
7mm
10mm

E/S
50.5
50.5
64
77.5
91
119
130
155
183
233.5

ISO2852

Nom’ Size (mm)
12
12.7
17.2
21.3
25
33.7
38
40
51
63.5
70
76.1
88.9
101.6
114.3
139.7
168.3
219.1

Available materials
NBR
SILICONE
PTFE
EPDM

DIN32676

ISO1127

OD
33mm
46mm
59mm
73mm
88mm
118mm

RJT ref
08493
08494
08495
08496
08497
08498

ID
27mm
39mm
52mm
64mm
75mm
106mm

C/S
7mm
7mm
7mm
7mm
7mm
7mm

Please contact us below with your requirements today

Contact us.

sales@sealxpress.co.uk
0121 544 4440

SealXpress Ltd, Unit 6, Elm Court, Crystal Drive,
Sandwell Business Park, West Midlands, B66 1RB