SMS Union
SMS Union
High-quality SMS 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
SMS Union Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of SMS Union in SS 304, SS 304L, SS 316 and SS 316L, in a wide range of sizes and pressure ratings.
An SMS union is a Swedish-standard sanitary union with male part, nut and liner, widely used in dairy and food plants.
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 SMS Union
SMS Standard
As per SMS 1145.
Screwed Union
Round thread nut for easy dismantling.
Hygienic Finish
Polished bores that resist product build-up.
CIP Friendly
Crevice-free design for clean-in-place systems.
SMS Union Specifications
| Parameter | Specification |
|---|---|
| Product | SMS Union |
| Standard | SMS 1145 |
| 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 |
SMS 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
SMS 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 SMS 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.
SMS Union Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies SMS 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 SMS Union.
Related Dairy Fittings
RJT Union
An RJT (Ring Joint Type) union is a British-standard sanitary union used in dairy, brewery and beverage lines.
DIN 11851 Union
A DIN 11851 union is a German-standard sanitary threaded union used in food, dairy and beverage processing.
IDF Union
An IDF union is an International Dairy Federation (ISO 2853) sanitary union with male, nut and liner parts.
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.