What matters in the process
Specify contact materials, surface requirements, seals, drainability, access and transfer interfaces. Define how product and drive areas are separated if a through-wall arrangement is required. Describe expected batch recipes and records without assuming that every control system includes a complete electronic-records package. Cleaning and sterilization are different functions; optional steam treatment needs its own design and qualification basis.
A practical example
An API project might prioritize residual product after changeover, while an intermediate campaign may prioritize solvent containment and wash purity. Both can use a similar-looking centrifuge but require different seals, discharge connections, test protocols and documentation. The URS should make those differences visible before quotation.
What to check or specify
- Define material contact, containment and cleaning requirements.
- List required certificates and traceable documents.
- Agree FAT, installation and performance qualification responsibilities.
- Specify data interfaces and record requirements.
Turn the result into a decision
GKF, PLD, FW and clean-opening configurations can be compared against the URS. Ask the supplier to mark each requirement as included, optional, excluded or needing clarification. Regulatory suitability must be established for the actual installation and process; do not treat a generic catalogue claim as site validation.
Equipment context: supplied HUADA English catalogue, PDF pages 23–34, 52. Numerical examples are illustrative calculations. Application guidance must be confirmed for the actual material and selected equipment.
