Integraflow supplies a full range of IDF Liners, also referred to as IDF Male Parts, manufactured to BS 4825 Part 4standards. These fittings form the male side of the IDF union and are welded to the end of imperial OD stainless steel tube. Once installed, they mate with the IDF ferrule and seal, creating a crevice-free, hygienic joint suitable for clean process systems.

Made from 316L stainless steel, these liners are ideal for industries requiring CIP/SIP compatibility, smooth product flow, and hygienic integrity.

Key features:

• Welded to 1” to 4” OD imperial stainless steel tubing

• Manufactured to BS 4825 hygienic union dimensions

• Internal surface finish suitable for CIP/SIP and high-purity systems

• Designed for use with Integraflow’s IDF Nuts, Ferrules, and Seals

• Available with full batch traceability and surface finish documentation

Typical applications:

• Dairy processing

• Beverage bottling and brewing systems

• Food-grade pipelines

• Cleanroom and cosmetic manufacturing

All IDF Liners are available for fast UK-wide dispatch from Integraflow — your hygienic pipework partner.