Pipe connectors

As static seals for standard pipe connectors applied in the food and pharmaceutical industry we offer dairy coupling and clamp connection designs.

Seals for dairy couplings

Dairy couplings facilitate the connecting and sealing of pipelines for liquid media. These DIN 11851 standardized sealing connections ensure an extremely quick and uncomplicated installation. Moreover, they can be easily separated from the flange, so that frequent dismantling is not a problem. Because of the good cost-benefit ratio, dairy couplings are especially suitable for small plants that are not run continuously. The seals in the connections are normally manufactured from pure PTFE. They are suited for maximum operating pressures of 40 bar.

Nominal width

DN ø D (mm) ø D (mm) r (mm) H (mm)
DN 10 12 20 2,30 4,50
DN 15 18 26 2,30 4,50
DN 20 23 33 2,80 4,50
DN 25 30 40 2,80 5,00
DN 32 36 46 2,80 5,00
DN 40 42 52 2,80 5,00
DN 50 54 64 2,80 5,00
DN 65 71 81 2,80 5,00
DN 75 (3“) 78 88 2,80 5,00
DN 80 85 95 2,80 5,00
DN 90 94 104 2,80 5,00
DN 100 104 114 2,80 6,00
DN 125 130 142 3,50 7,00
DN 150 155 167 3,50 7,00

Clamp seal

Easily disconnectable clamp sealings are ideal for fast and reliable pipe connections in continuously running systems. Due to the symmetric design of the flange, no oriented installation of seals is necessary.

The seal dimensions are standardized according to ISO 2852 (inch) or DIN 32676 and ISO 1127 (metric). Further dimensions are available on request.

Materials

Per standard CCN-01 (PTFE pure)

Insert FKM

Dimensions DIN 32676

Dimensions ISO 2852

DIN Pipe out. ø x Wall (mm)
DN 10 12.0 x 1.0
DN 15 19.0 x 1.5
DN 20 23.0 x 1.5
DN 25 29.0 x 1.5
DN 32 35.0 x 1.5
DN 40 41.0 x 1.5
DN 50 53.0 x 1.5
DN 65 70.0 x 2.0
DN 80 85.0 x 2.0
DN 100 104.0 x 2.0
ISO Pipe out. ø x Wall (mm)
ISO 8 13.5 x 1.6
ISO 10 17.2 x 1.6
ISO 15 21.3 x 1.6
ISO 20 26.9 x 1.6
ISO 25 33.7 x 2.0
ISO 32 42.4 x 2.0
ISO 40 48.3 x 2.0
ISO 50 60.3 x 2.0
ISO 65 76.1 x 2.0
ISO 80 88.9 x 2.0
ISO 100 114.3 x 2.0

Design variants

Clamp seal with lip

Clamp seal with lip and sealing insert

Clamp seal without lip

Clamp seal without lip, with sealing insert

Clamp connectors have no metallic stop. In a worst case, the seal can be compressed too strongly and media may infiltrate behind the seal. Clamp seals are therefore sometimes used with elastomer inserts.

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