DIN 11851 Union
DIN 11851 Union
High-quality DIN 11851 Union hygienically finished for food, dairy, beverage and pharmaceutical process lines.
- SS 304 / 316L
- Ra ≤ 0.8 µm
- 3-A / DIN / SMS / ISO
- Tri-Clamp
- Electropolished
DIN 11851 Union Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of DIN 11851 Union in SS 304, SS 304L, SS 316 and SS 316L, in a wide range of sizes and pressure ratings.
A DIN 11851 union is a German-standard sanitary threaded union used in food, dairy and beverage processing.
Dairy (sanitary) fittings are stainless steel fittings with smooth, polished internal surfaces and crevice-free joints that can be cleaned in place (CIP). They are used in dairy, food, beverage, brewery, pharmaceutical and cosmetic plants where hygiene is critical.
Key Features of DIN 11851 Union
DIN Standard
As per DIN 11851.
Threaded Nut
Round thread for hygienic service.
Hygienic Finish
Polished bores that resist product build-up.
CIP Friendly
Crevice-free design for clean-in-place systems.
DIN 11851 Union Specifications
| Parameter | Specification |
|---|---|
| Product | DIN 11851 Union |
| Standard | DIN 11851 |
| Parts | Male, Nut, Liner, Gasket |
| Standards | 3-A, ASME BPE, DIN 11850 / 11851 / 11852 / 11853, SMS 3008 / 1145, ISO 2037 / 2852, IDF / ISO 2853, BS 4825 |
| Size | 1/2" to 6" OD (12.7 mm – 152.4 mm) / DN10 – DN150 |
| Material | SS 304, SS 304L, SS 316, SS 316L |
| Internal Finish | Ra ≤ 0.8 µm, Ra ≤ 0.5 µm, Electropolished on request |
| External Finish | Mirror / Satin polish |
| Ends | Weld End, Tri-Clamp (TC), SMS / DIN / RJT / IDF Union |
DIN 11851 Union Material & Grades
| Material | Grades / Specifications |
|---|---|
| Stainless Steel 304 / 304L | AISI 304 / 304L (1.4301 / 1.4307) for general food and dairy service |
| Stainless Steel 316 / 316L | AISI 316 / 316L (1.4401 / 1.4404) for pharma, CIP chemicals and salt-bearing products |
| Gaskets (for clamp & union fittings) | EPDM, Silicone, Viton (FKM), PTFE – FDA compliant |
Types of Dairy Fittings
Bends & Elbows
45°, 90° and 180° sanitary bends.
Tees & Crosses
Equal, reducing and short-outlet tees and crosses.
Reducers
Concentric and eccentric sanitary reducers.
Clamps, Ferrules & Unions
Tri-Clamp ferrules, clamps, SMS / DIN / RJT / IDF unions.
Applications & Industries
- Dairy Plants
- Food Processing
- Beverages & Juices
- Breweries & Distilleries
- Pharmaceutical
- Biotechnology
- Cosmetics
- Water Purification
- Confectionery
- Edible Oil Plants
- CIP Systems
- Process Skids
Quality & Inspection
Quality-Focused Manufacturing & Supply
DIN 11851 Union can be supplied with inspection, testing and documentation according to the applicable standard and customer purchase order requirements.
- Dimensional inspection
- Internal surface roughness (Ra) measurement
- Visual inspection of polish and welds
- Material grade verification (PMI)
- Pressure / leak testing as applicable
- Material Test Certificate EN 10204 3.1
- Cleaned, sealed and bagged packing
Why Choose Our DIN 11851 Union?
Hygienic Finish
Polished bores that resist product build-up.
CIP Friendly
Crevice-free design for clean-in-place systems.
All Standards
3-A, DIN, SMS, ISO, IDF and RJT ends.
Food-Grade Material
SS 304 / 316L with FDA-compliant gaskets.
DIN 11851 Union Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies DIN 11851 Union for domestic and international projects. Fittings can be supplied in standard sizes from stock and in special sizes, grades and finishes as per drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure, export-worthy packaging.
Share your size, grade, pressure class and quantity with our team to receive a competitive quotation for DIN 11851 Union.
Related Dairy Fittings
IDF Union
An IDF union is an International Dairy Federation (ISO 2853) sanitary union with male, nut and liner parts.
Sanitary Sight Glass
A sanitary sight glass gives a clear view of product flow in hygienic lines, with tri-clamp or weld ends and toughened glass.
Dairy Bend (90 / 45 Degree)
Dairy bends are sanitary stainless steel elbows with polished bores, used to change direction in hygienic process lines without product hold-up.
Technical Note: Dimensions, pressure ratings and material properties should be verified against the applicable ASME / MSS / DIN / ISO standard, approved drawings, purchase order and Mill Test Certificate (MTC) before final use.