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304 Stainless steel(AISI 304) |
High resistance against rust but susceptible to corrosion from chloride solutions. |
316 Stainless steel(AISI 316) |
High resistance against rust and good resistance against chlorides and other industrial solvents. |
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EN-10357 Series A (DIN 11850 Range 2) tube sizes |
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Size (DN) |
Outside diameter (mm). |
Thickness (mm). |
10 |
13 |
1,50 |
15 |
19 |
1,50 |
20 |
23 |
1,50 |
25 |
29 |
1,50 |
32 |
35 |
1,50 |
40 |
41 |
1,50 |
50 |
53 |
1,50 |
65 |
70 |
2,00 |
80 |
85 |
2,00 |
100 |
104 |
2,00 |
125 |
129 |
2,00 |
150 |
154 |
2,00 |
200 |
204 |
2,00 |
EN-10357 Series B (DIN 11850 Range 1) tube sizes |
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Size (DN) |
Outside diameter (mm). |
Thickness (mm). |
10 |
12 |
1,00 |
15 |
18 |
1,00 |
20 |
22 |
1,00 |
25 |
28 |
1,00 |
32 |
34 |
1,00 |
40 |
40 |
1,00 |
50 |
52 |
1,00 |
DIN 11851 is a standard for a hygienic union consisting of four parts, which are fully compatible with EN 10357 series A tubes.
This type of union is used in product lines that require regular assembling and disassembling
You only one piece of tool: a spanner wrench.
The four different parts of a DIN 11851 connection:
1. A male threaded part
2. A conical shaped liner
3. A D-shaped seal ring
4. A round (slotted) nut
The working principle of DIN11851 couplings
By tightening the nut, the seal ring is clamped by the liner in a groove of the male part. This creates a very reliable, clean and fluid-tight connection.
Out of all the tube connection methods, the welded connection is the cheapest and the most reliable one.
The DIN11852 standard outlines the specifications for hygienic welded fittings, encompassing bends, T-pieces, and reducers. Originally embraced by EuroNorm standardization, the DIN-EN 10374-A standard has since succeeded the DIN11852 standard, a transition aimed at harmonizing European standards.
Despite this transition, numerous suppliers continue to provide these fittings under the DIN11852 standard designation. This perpetuation of the DIN11852 classification by suppliers may stem from factors such as existing inventory, market familiarity, or client demand. As such, while the DIN-EN 10374-A standard represents the latest harmonized standard, DIN11852 fittings persist within the market due to historical precedents and industry practices.
DIN11852, or DIN-EN 10374-A fittings are readily available in almost every country, usually in diameters up to DN150 and in both materials: AISI 304L and AISI 316L.
Tri clamps union is used when a tubing system has to be assembled and disassembled very often and very quickly. Mostly there are no tools needed to tighten the connection, you can simply open or close the clamp ring by turning the butterfly nut. There are also clamp rings available with hexagonal nuts; then you need a wrench.
DIN 32676 tri-clamp fittings are a specific type of fittings that comply with the EN 10357 standard for hygienic process tubes. These fittings are widely used in the food, pharmaceutical, and chemical industries due to their hygienic design, easy installation, and reliable sealing.
Tri-clamp fittings provide a reliable and hygienic solution for connecting process piping in critical industries, meeting the stringent standards and requirements for food safety and product quality.
The three different parts of a tri-clamp connection
1. Two identical conical shaped ferrules with a seal groove
2. A seal ring
3. A clamp ring with a conical shaped inner ring.
DIN 11853 flanges
A DIN11853 flange is a type of flange connection specified by the German standard DIN 11853. This standard outlines the design, dimensions, materials, and testing requirements for hygienic pipe connections with flanges used in industries such as food processing, pharmaceuticals, and biotechnology.
Key features
Hygienic tubes for the food,beverage and chemical industries. Learn all about materials, sizes, usage and more. Also ALL 3D CAD models here!
DIN-EN Hygienic Fittings and Valves - 700 Fusion FilesDownload this 3D CAD library (3 zip files) and get access to 700 premium quality DIN-EN fittings! (in Autodesk Fusion file .f3d format). |
DIN-EN Hygienic Fittings and Valves - 700 STEP FilesDownload this complete 3D CAD library (1 zip file) and get access to 700 premium quality hygienic DIN-EN fittings! (in STEP file format). |