A pump with a turning drive does not necessarily belong in an animation full of outward sweeping arrows. When the featured product works by positive displacement, the useful story is the changing space available to the fluid. Commission the film around that volume relationship before deciding whether the sequence should look fast, powerful or intricate.
KSB explains positive displacement pumps through enclosed working volumes and moving displacement bodies. That provides a narrow conceptual foundation. The film still needs the manufacturer to identify the particular mechanism being represented; the category includes arrangements that should not be illustrated with the same internal geometry.
Choose one readable cycle
The audience rarely needs a catalogue of pump types in a project case study. Ask which single sequence makes the supplied product intelligible. A diaphragm, piston or rotary chamber may require a different viewpoint, even when the commercial message is similar.
Begin with a still frame that names the working space. Then show a small number of distinct states, retaining the same orientation. If the graphic switches camera angles halfway through, viewers may spend their attention finding the chamber again rather than understanding what changed.
The storyboard should make clear which region is part of the explanatory volume and which is simply surrounding housing. A transparent casing can help, but indiscriminate transparency can make separate spaces appear connected. Have the specialist check the actual boundaries before the animator adds flow effects.
Separate an explanatory cycle from a product demonstration
An illustration can make a short cycle slow enough to read. That choice should be obvious through labelling or presentation, particularly if the film also contains real footage. Do not place a stylised cycle beside an unlabeled timer or output counter that turns explanation into an apparent capacity test.
The buyer should decide whether the intended claim is simply how the mechanism works or how the selected product performed in a documented application. Performance requires its own evidence, conditions and approval. The drawing's apparent fullness cannot supply those facts.
Likewise, do not ask an interviewee to explain adjustments or demonstrate changes for the crew. The case-study purpose can usually be served by an approved description and existing visual references. The manufacturer remains responsible for technical meaning, not the production team.
Use the chamber as the story anchor
Consider a hypothetical materials supplier explaining a dosing package used within a larger construction-product facility. The first storyboard shows a generic spinning wheel with fluid rushing outward. That picture is attractive but unrelated to the supplied mechanism.
A revised treatment centres the identified working chamber and follows one conceptual cycle. The interview then explains why the package was part of the delivered scope, without claiming that the simplified drawing establishes dosing accuracy or material suitability. The scenario is fictional and offers a briefing choice rather than a technical recommendation.
The installation footage still has a role. It locates the actual package and the people who supplied it. The explanatory sequence does a separate job, making a concealed relationship understandable. Neither should be forced to substitute for the other.
Test the transition back to the project
At the rough-cut review, ask where a viewer thinks the generic illustration ends and the actual installation begins. If that boundary is unclear, add a clear transition or a more precise introduction. A useful project film can explain a principle without pretending to have filmed inside the operating product.
Discuss that balance with Live Images, with any specialist illustration, supplied model work and technical review agreed as additional scope where required.
Prepared with AI assistance for Live Images. Planning guidance is general; suitability and production scope must be agreed for your project.