What Is Steam-in-Place System (SIP)?

Updated 2026-08-02 · Soft Care Guide Editorial Team · Reviewed by Editorial Team · Fact Checked

Direct Answer

A steam-in-place system is a sterilization process that cleans pipes and tanks in place using high-temperature steam, without disassembly.

Key Takeaways

  • A steam-in-place system is a sterilization process that cleans pipes and tanks in place using high-temperature steam, without disassembly.
  • How it works: After cleaning, saturated steam is circulated through piping and tanks at sterilization temperature for a set hold time, then cooled and drained.
  • Sterilizing wipe liquid blending tanks
  • SIP replaces cleaning — SIP sterilizes after a separate clean (CIP) step; it does not remove soil

How Steam-in-Place System (SIP) Works

After cleaning, saturated steam is circulated through piping and tanks at sterilization temperature for a set hold time, then cooled and drained. SIP is common in wipe-liquid and sanitary production lines that require low bioburden.

Examples and Applications

  • Sterilizing wipe liquid blending tanks
  • Sanitizing dosing and filling lines before a new production batch

Steam-in-Place System (SIP) vs. Related Terms

TermWhat it isKey difference
Steam-in-Place System (SIP)

Limitations and Common Misconceptions

  • SIP replaces cleaning — SIP sterilizes after a separate clean (CIP) step; it does not remove soil
What is the difference between CIP and SIP?

CIP (clean-in-place) washes the system with cleaning solutions; SIP (steam-in-place) sterilizes it with steam afterward. They are usually used as a sequence.

References

  1. JP CIA (industry) - Baby diaper material: key components and their functions — 行业媒体 (accessed 2026-08-02)