SMS Blind Nut
SMS Blind Nut Dairy Pipe FIttings
Emirerri Steel is a leading manufacturer and supplier of SMS Blind Nuts, designed for secure, leak-proof closure of unused ports and ends in hygienic piping systems. Manufactured from premium-grade stainless steel, these blind nuts are widely used in the dairy, food processing, beverage, pharmaceutical, and chemical industries.
Our SMS Blind Nuts comply with SMS (Swedish Manufacturing Standard), ensuring compatibility and interchangeability with other SMS fittings. Precision-engineered for reliability and hygiene, they provide excellent resistance to corrosion, high pressure, and temperature variations — making them ideal for demanding sanitary process environments.
Key Features
Manufactured in accordance with SMS standards for hygienic fittings
Corrosion and rust resistant, suitable for sanitary and CIP (Clean-In-Place) systems
Smooth internal surface finish to prevent bacterial growth
Available in stainless steel grades 304, 304L, 316, and 316L
Designed for easy assembly and disassembly with SMS unions
Ensures a leak-free seal when closing off pipelines
Excellent durability and mechanical strength
Types of SMS Blind Nuts
SMS Blind Nut with Weld End
SMS Hexagonal Blind Nut
SMS Round Blind Nut
SMS Blind Nut with EPDM/Silicone/PTFE Gasket
Customized Blind Nuts as per drawing or specific process requirements
Standard & Grade
| Standard | Material Grade | Equivalent Material |
|---|---|---|
| SMS 1145, SMS 1146 | Stainless Steel 304 / 304L | 1.4301 / 1.4307 |
| Stainless Steel 316 / 316L | 1.4401 / 1.4404 | |
| ASTM A182 | F304 / F316 | – |
| DIN / ISO | Compatible with DIN 11851, ISO, and IDF fittings | – |
Dimensions (Typical Range)
| Size (Nominal) | Outside Diameter (mm) | Thread Type | Compatible Union |
|---|---|---|---|
| 1” | 25.4 | SMS Thread | SMS Union 25 |
| 1.5” | 38.1 | SMS Thread | SMS Union 38 |
| 2” | 50.8 | SMS Thread | SMS Union 51 |
| 2.5” | 63.5 | SMS Thread | SMS Union 63 |
| 3” | 76.1 | SMS Thread | SMS Union 76 |
| 4” | 101.6 | SMS Thread | SMS Union 102 |
Applications
Dairy & Food Processing Plants
Beverage & Brewery Systems
Pharmaceutical & Biotech Plants
Cosmetic & Chemical Processing Units
Sanitary and Hygienic Piping Systems
CIP (Clean-In-Place) and SIP (Sterilize-In-Place) Installations