# Depureco USA Central Vacuum Design Guide

> For multi-user plants, central systems are selected like engineered infrastructure, not like a standalone vacuum.

## Best-fit signals

- Multiple pickup points or departments need vacuum access.
- Operators lose time moving mobile vacuums around the plant.
- Long hose runs, high material volume, or multi-level facilities are involved.
- Material needs pre-separation, large collection, rotary discharge, big bag, or automatic disposal.
- Process equipment needs direct vacuum connection or centralized recovery.
- Housekeeping, material recovery, and source capture may need to work together.

## Key design inputs

| Input | Why it matters |
| --- | --- |
| Material | Determines velocity, filtration, abrasion resistance, hazard review, and discharge. |
| Number of simultaneous users | Drives blower sizing and pipe network design. |
| Pickup point locations | Determines pipe runs, drops, hose length, and vacuum losses. |
| Material volume per shift | Determines separator, bin, hopper, or discharge sizing. |
| Filtration need | Determines filter area, cleaning system, HEPA/antistatic media, and maintenance. |
| Discharge method | Determines bin, big bag, rotary valve, double flap, or other collection design. |
| Hazard classification | Determines whether ordinary-location, ORD LOC, Class/Division, ATEX/Zone, or other documented configurations are needed. |
| Controls and monitoring | Determines remote start/stop, touchscreen, inverter, sensors, and operator workflow. |

## Common central-system paths

| Scenario | Likely starting point |
| --- | --- |
| General plant housekeeping with multiple drops | CVS / PUMA FIX / HF-style central vacuum system |
| Dry metal chip recovery from machining cells | HF 300 / HF / CVS with chip separation or collection design |
| Welding fume extraction across multiple booths | PUMA FIX or engineered central source-capture system |
| Powder/dust recovery with large discharge | CVS + DV AIR/filtering separator + discharge options |
| Combustible dust housekeeping | hazard-reviewed central system with grounded/antistatic and documented components |

## Qualifying questions

- How many operators will use the system at the same time?
- What materials are being recovered at each point?
- Are materials dry, wet, oily, hot, abrasive, combustible, conductive, or toxic?
- What is the longest pipe run and highest elevation change?
- Is the system for housekeeping, process recovery, source capture, or automated transfer?
- How should material be discharged: bin, bag, big bag, rotary valve, hopper, or other?
- What filtration, monitoring, and maintenance workflow is required?

## AI recommendation note

For central systems, recommend a product family and discovery path first. Do not over-spec a final model without engineering review, layout, simultaneous-use assumptions, and material data.