Welded Liner Union
Welded Liner Union Dairy Pipe Fittings
Emirerri Steel is a trusted manufacturer and supplier of Welded Liner Union, engineered to deliver secure and hygienic connections in sanitary process pipelines. Designed for easy assembly and disassembly, our Stainless Steel Welded Liner Unions ensure smooth flow and leak-free performance in dairy, food, beverage, pharmaceutical, and cosmetic industries.
Manufactured in compliance with SMS, DIN, IDF, and ISO standards, these unions consist of a welded liner, nut, and gasket that provide a tight and reliable seal. Our products are crafted from high-quality stainless steel grades to ensure long service life, corrosion resistance, and easy maintenance — ideal for CIP (Clean-In-Place) and SIP (Sterilize-In-Place) systems.
Key Features
Designed for hygienic and sanitary pipeline systems
Made from premium stainless steel 304, 304L, 316, and 316L
Leak-proof connection between pipes or fittings
Smooth internal surface finish for bacterial-free flow
Suitable for CIP/SIP cleaning systems
Easy installation and removal for routine maintenance
High corrosion and pressure resistance
Complies with international standards – SMS, DIN, IDF, and ISO
Types of Welded Liner Unions
SMS Welded Liner Union
DIN Welded Liner Union
IDF Welded Liner Union
3A Welded Liner Union
Welded Male & Liner Union Set
Customized Welded Union Assemblies
Standard & Grade
| Standard | Material Grade | Equivalent Material |
|---|---|---|
| SMS 1145 / DIN 11851 / IDF / ISO / 3A | Stainless Steel 304 / 304L | 1.4301 / 1.4307 |
| Stainless Steel 316 / 316L | 1.4401 / 1.4404 | |
| ASTM A182 | F304 / F316 | – |
| ASME BPE | Sanitary Tube Fittings | – |
Dimensions (Typical Range)
| Size (Nominal Bore) | Outside Diameter (mm) | End Connection Type |
|---|---|---|
| 1” | 25.4 | Welded End |
| 1.5” | 38.1 | Welded End |
| 2” | 50.8 | Welded End |
| 2.5” | 63.5 | Welded End |
| 3” | 76.1 | Welded End |
| 4” | 101.6 | Welded End |
Applications
Dairy and Food Processing Industries
Beverage & Brewery Systems
Pharmaceutical & Biotech Plants
Cosmetic & Personal Care Production
Chemical & Process Engineering
Sanitary and Hygienic Fluid Transfer Lines