What Is Clean Steam?
Clean steam — also called pure steam or culinary steam — is steam generated from purified water with no chemical additives, with controlled levels of non-condensable gases, and distributed through sanitary-grade stainless steel pipework. Unlike utility steam from industrial boilers (which contains boiler water additives), clean steam condenses to water that meets pharmaceutical water quality standards.
PureSys India supplies complete clean steam systems for pharmaceutical, biotechnology, and food manufacturing applications.
Where Clean Steam Is Required
- Pharmaceutical manufacturing: Sterilisation of equipment, vessels, and pipework (SIP — Steam in Place)
- Autoclave sterilisation: Direct steam contact sterilisation of products and packaging
- Biotech fermentation: Sterilisation of bioreactors and media preparation vessels
- Food & beverage processing: Direct steam injection into food products requiring GMP compliance
- Cosmetics manufacturing: Equipment sterilisation in GMP-regulated facilities
Clean Steam System Components
Clean Steam Generators (CSGs)
A clean steam generator takes utility steam as the heat source and purified water (WFI or purified water) as feedwater — producing clean steam without any carry-over of boiler water additives. PureSys India supplies CSGs sized from laboratory scale to full production plant capacity.
Clean Steam PRVs
Clean steam distribution systems require sanitary-grade pressure reducing valves with full stainless steel wetted parts, electropolished internal surfaces, and connections conforming to sanitary standards (Tri-clamp, DIN 11851). We supply clean steam PRVs from Spirax Sarco, Valsteam ADCA, and Pureval.
Sanitary Steam Traps
Clean steam condensate must be drained using sanitary steam traps with electropolished stainless steel bodies and Tri-clamp connections — preventing contamination and ensuring full drainability for CIP/SIP cycles.
Clean Steam Sampling & Quality Monitoring
Regulatory requirements (EN 285, ISPE guidelines) mandate regular clean steam quality testing for non-condensable gases, superheat, and dryness. PureSys India can advise on sampling and monitoring systems.
Regulatory Compliance
Clean steam systems for pharmaceutical use must comply with:
- EN 285 — Sterilisation of medical devices
- ISPE Baseline Guide — Steam and Water Systems
- FDA guidance on pharmaceutical water systems
- Schedule M — Indian GMP requirements
PureSys India Clean Steam Expertise
Our engineers have extensive experience designing and commissioning clean steam systems across Indian pharmaceutical and food manufacturing facilities. We offer design, equipment supply, installation, qualification support (DQ, IQ, OQ), and commissioning.
View our clean steam systems or contact our team to discuss your project.