Dairy Nut

What is a Dairy Nut

A Dairy Nut is a precision-machined sanitary fitting used extensively in dairy, food, and beverage processing industries. Designed to ensure leak-proof connections in hygienic pipelines, dairy nuts are used alongside ferrules, liners, and gaskets to form tight, reliable joints in clean-in-place (CIP) systems.

With a robust design and smooth finish, dairy nuts enable frequent dismantling and reassembly of process lines without compromising hygiene or performance. Their compatibility with standard union fittings ensures interchangeability and ease of maintenance.

Asaid Steel Industries is a trusted Dairy Nut supplier, offering quality-assured products that meet industry hygiene and dimensional standards.

Key Features

  • Hygienic Design – Smooth finish to prevent bacterial growth
  • Easy Assembly – Enables tool-less tightening and disassembly
  • Leak-Proof Fit – Works seamlessly with liners, ferrules, and gaskets
  • Durable Build – Long operational life under demanding conditions
  • Industry Approved – Compliant with sanitary fitting standards

Specifications

Mechanical Properties

Equivalent Grades

Weight Chart

Specifications

Parameter Specification
Size Range ½” to 4” (15mm to 100mm)
Design Type Hex nut with BSP/Metric thread
Standards DIN 11851, SMS 1145, ISO/IDF
Operating Pressure Up to 10 bar
Surface Finish Mirror polished (internal/external)
Temperature Range -20°C to +180°C (gasket dependent)
Property Value
Tensile Strength High (application-specific)
Torque Resistance Suitable for manual tightening
Surface Hardness Medium to high (based on spec)
Reusability Excellent
Standard Equivalent Code/Type
DIN 11851
SMS 1145
ISO/IDF Standard Dairy Fittings
BS 4825 Part 4
Size (inch) Thread Type Approx. Weight (grams)
1” BSP 130
1.5” BSP 220
2” BSP 310
2.5” BSP 410
3” BSP 520
4” BSP 740

Applications of Dairy Nut

Construction &
Infrastructure

Automotive & Heavy
Equipment

Manufacturing &
Fabrication

Medical & Laboratory
Equipment

Electrical &
Electronics Assembly

Oil, Gas & Petrochemical
Installations

Do you have questions?

A Dairy Nut is used to secure hygienic unions in food-grade and pharmaceutical pipelines, ensuring leak-free, cleanable connections.

Yes, they are designed for frequent assembly and disassembly without losing thread integrity or seal performance.

Yes, when paired with the right gaskets, dairy nuts can operate reliably in high-temperature and CIP/SIP cleaning processes.

Dairy Nuts are available in DIN, SMS, and ISO/IDF standards for compatibility with a variety of pipelines and fittings.

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