HYGIENIC PIPEWORK

Hygienic stainless steel pipework is a specialized system designed to prevent contamination in sensitive processes by using materials with smooth, non-porous surfaces that inhibit bacterial growth. It is primarily used in industries such as food and beverage, pharmaceutical, and biotechnology. 

Key Properties & Standards

Hygienic pipework is designed to be crevice-free to ensure easy and effective cleaning through Clean-In-Place (CIP) or Sterilize-In-Place (SIP) systems. 

  • Materials: The most common grades used are AISI 304L and AISI 316L stainless steel. 316L offers superior corrosion resistance, especially in chloride-rich or highly acidic environments due to the addition of molybdenum.
  • Surface Finish: The internal surface is crucial and is often dull or bright polished to a specific roughness average (Ra) to minimize microbial adhesion. Internal weld beads are typically removed or rolled flat to eliminate crevices.
  • Standards: Key international standards for hygienic pipework include EN 10357 (formerly DIN 11850), BS 4825 Part 1, ISO 2037, and ASTM A270.
  • Connection Types:
    • Orbital Welding: Provides a permanent, smooth, crevice-free connection that is ideal for high-purity systems.
    • Tri-Clamp (Tri-Clover): A popular connection using ferrules, a gasket, and a clamp, which is easy to assemble, disassemble, and clean, making it perfect for lines requiring frequent manual cleaning.
    • RJT, IDF, DIN, and SMS variants: Other specific union types are also used, offering different levels of hygiene and ease of use.
HYGIENIC PIPEWORK
WELDED PIPE FITTINGS

WELDED PIPE FITTINGS
TRICLAMP FITTINGS

TRICLAMP FITTINGS
RJT FITTINGS

RJT FITTINGS
SMS FITTINGS

SMS FITTINGS
IDF FITTINGS

IDF FITTINGS
DIN FITTINGS

DIN FITTINGS
PIPE CLAMPS

PIPE CLAMPS
BALL VALVES

BALL VALVES

From £199.50 To £1,974.70 (exc VAT)
From £239.40 To £2,369.64 (inc VAT)

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BUTTERFLY VALVES

BUTTERFLY VALVES

From £87.00 To £1,126.10 (exc VAT)
From £104.40 To £1,351.32 (inc VAT)

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NON RETURN VALVES

NON RETURN VALVES

From £320.00 To £880.00 (exc VAT)
From £384.00 To £1,056.00 (inc VAT)

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