DIN unions (Deutsche Industrial Norm) are a German standard fitting (DIN 11851) widely used across Europe. DIN unions use a “D-Ring” style Gasket

From £5.84
Pack Size: 1
Price Per: Unit
In stock
Find local seller
Product Features

Our detectable sanitary union gaskets are made from highly durable EPDM rubber containing evenly dispersed ferromagnetic additives (for metal detection) and high atomic number elements (for x-ray visibility). The entire formulation is food contact approved under FDA, EU and sanitary 3A requirements. 

Our seals and gaskets are high performance, blue, food grade and also minimise foreign body contamination risks by being detectable by metal detection systems and x-ray inspection systems. Current stocked gasket types include RJT O-Rings, Tri-Clamp Gaskets and DIN D-Rings (Milk Couplings). 

The use of detectable seals and gaskets is a strong display of due diligence in the prevention of foreign body contamination. Seal fragments as small as 5mm3 can be identified by correctly calibrated inspection systems, although detection performance will vary based on the food being inspected, the equipment type and other parameters. 

DIN unions (Deutsche Industrial Norm) are a German standard fitting (DIN 11851) widely used across Europe. DIN unions use a “D-Ring” style Gasket.

Imperial Size

Cross Section

Inside Diameter

Outside Diameter

Order Code


5.00 mm

30.00 mm

40.00 mm



5.00 mm

54.00 mm

64.00 mm



5.00 mm

78.00 mm

95.00 mm



6.00 mm

104.00 mm

114.00 mm


Product Advantages:

Detectable by metal detection & x-ray inspection systems
Blue colour for easy visual identification
Can be used as part of HACCP procedures
Resistant to hydraulic oils, steam and acids
FDA Food Contact Approved Material
Excellent overall weathering resistance
-40°C ~ +140°C Service Temperature
Displays due diligence to auditors

More Information
Product Code DIN*
Pack Size 1
Weight (Kg) 0.015000
Food Contact FDA, EU
Delivery 2 - 3 Working Days
Brand BST
Country of Manufacture United Kingdom
Metal Detectable

A metal detectable product is made fully from detectable materials and has the potential to be detected on most industrial metal detection systems. These materials may be metallic or plastic/rubber with special ferromagnetic additives.

X-Ray Visible

An x-ray visible product is made fully from x-ray visible materials. These may be metallic or plastic/rubber with special high density additives.

Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account

Site Visits

BST have 30 years’ experience in the design and manufacture of metal detectable and x-ray visible plastic components. Examples of bespoke projects include rubber seals, gaskets and extrusions, as well as pre-loaded vacuum bread depanner belts featuring metal detectable suction cups and retaining clips.

With a wide selection of food grade detectable raw materials to choose from, a solution to your problem is never far away.

Request an onsite visit

Request or Download

BST Detectable Products reduce the risk of foreign body contamination in hygiene critical environments, such as food and drink, pharmaceutical or cosmetic manufacturing plants.

Preventing foreign body contamination is at the frontline of food safety and detectable products manufactured by BST not only help toward this goal but also comply with international regulations and complement a company's HACCP systems.

Request your FREE brochure