DIN11851 D-Seals
PPE manufactures DIN11851 D-seals to fit DIN 11851 fittings, and aseptic pipe couplings including HyClamp sanitary gaskets, IDF gaskets, RJT O-rings, DIN 11864 O-rings, and SMS seals.

PPE’s DIN11851 D-seals are available in the following standard sizes, with IDs and ODs corresponding to the diagram above.

DN Size | Internal Diameter (ID) mm | Outer Diameter (OD) mm | Height mm | Radius mm |
DN10 | 12 | 20 | 4.5 | 2.3 |
DN15 | 18 | 26 | 4.5 | 2.3 |
DN20 | 23 | 33 | 4.5 | 2.8 |
DN25 | 30 | 40 | 5 | 2.8 |
DN32 | 36 | 46 | 5 | 2.8 |
DN40 | 42 | 52 | 5 | 2.8 |
DN50 | 54 | 64 | 5 | 2.8 |
DN65 | 71 | 81 | 5 | 2.8 |
DN80 | 85 | 95 | 5 | 2.8 |
DN100 | 104 | 114 | 6 | 2.8 |
DN125 | 130 | 142 | 7 | 3.5 |
DN150 | 155 | 167 | 7 | 3.5 |

PPE develops and manufactures high performance elastomer D-seals to fit DIN 11851 fittings.
Materials for DIN 11851 D-Seals
DIN 11851 D-seals are available in the following elastomer materials, and are certified to FDA, USP Class VI, and 3-A Sanitary Standards.
Perlast® G74S expand_more

Material Type: FFKM
Color: White
Temp Range (°C): -15 to +260
FDA: A-F
USP: 87+88
3A 18-03: Class I
Metal Detectable?: No
V70SW expand_more

Material Type: FKM
Color: White
Temp Range (°C): -15 to +200
FDA: A-F
USP: 87+88
3A 18-03: Class I
Metal Detectable?: No
Detectaseal® XE7A expand_more

Material Type: EPDM
Color: Blue
Temp Range (°C): -40 to +150
FDA: A-F
USP: —
3A 18-03: —
Metal Detectable?: Yes
Detectaseal® XS7H expand_more

Material Type: Silicone (VMQ)
Color: Black
Temp Range (°C): -60 to +200
FDA: A-F
USP: 88
3A 18-03: —
Metal Detectable?: Yes
S71U expand_more

Material Type: Silicone (VMQ)
Color: Translucent
Temp Range (°C): -60 to +200
FDA: A-F
USP: 87+88
3A 18-03: Class I
Metal Detectable?: No
E70Q expand_more

Material Type: EPDM
Color: Black
Temp Range (°C): -40 to +150
FDA: A-F
USP: 87+88
3A 18-03: Class II
Metal Detectable?: No
All above materials are compliant with EC1935 and EC2023 regulations, and are free from animal-derived ingredients (ADI free).
FDA, USP, and 3A 18-03 certificates and material datasheets are available to download.
Our high performance sealing materials
DIN11851 D-seals can be manufactured in the following material types:
Perlast
expand_moreThe ultimate perfluoroelastomers for sealing applications where chemical resistance and high temperature performance are critical.

Detectaseal®
expand_moreThe latest advance in contamination detection and containment, with metal-detectable and xray-detectable elastomers designed to meet the stringent demands of food and pharmaceutical processing industries.
Resources for DIN11851 D-Seals
Here is a selection of tools and resources to support you in finding the right D-seal for your specific application.
PPE material grades selection tool
O-ring groove dimensions calculator
Video-Webinar library
Find your nearest sales contact
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