This SOP (Standard Operating Procedure) provides a clear, compliant, and effective method for cleaning liquid transfer pipelines in pharmaceutical oral liquid manufacturing. Proper pipeline cleaning prevents contamination, ensures quality, and maintains GMP standards.
1.0 Objective
This SOP defines the approved method for cleaning liquid transfer pipelines to maintain hygiene, prevent cross-contamination, and ensure product quality.
2.0 Scope
This procedure applies to all liquid transfer pipelines used in the Oral Liquid Section at ________ Pharmaceuticals.
3.0 Responsibility
- Supervisor / Machine Operator
- Production Pharmacist
4.0 Accountability
- Manager – Production Department
5.0 Materials and Equipment
- Transfer pipelines
- Purified water
- Compressed air
- Lint-free cloth
6.0 Cleaning Procedure
- Before starting product transfer, clean the transfer pump using a lint-free cloth to remove dust and visible impurities.
- Pass purified water through the inline and outline sections of the transfer pipe.
- Allow drying, then pass compressed air through the inline and outline to remove moisture.
- Flush the transfer pipe thoroughly using hot purified water.
- After flushing, pass compressed air again through the pipeline to eliminate remaining moisture.
Result: The transfer pipe is now clean, dry, and ready for the next batch.
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