Evapco · Johannesburg
Insulated Floor Slab Installation for Evapco Systems in Data Centre & Critical Cooling | Selby
Load-rated insulated slabs with heating loops for sub-zero rooms. We support Evapco evaporative condensers and cooling towers running R744 in data centre & critical cooling across Selby and Selby Industrial.
Technical highlights
SAQCC Gas certified insulated floor slab installation
SANS 10147 pressure and gas compliance, genuine Evapco OEM parts and rapid dispatch to Selby.
- SAQCC Gas registered technicians handling R744
- SANS 10147 pressure vessel and installation compliance
- Genuine Evapco OEM parts — Evapco spray nozzles, drift eliminators, fan drives and water treatment kits
- 2–4 weeks to Selby, Johannesburg
Common maintenance vectors
What we find on these systems
- Frost heave under freezers
- Vapour barrier lapping
- Slab loading for racking legs
- Scale fouling on coil surfaces in hard-water regions
- Fan bearing failure from continuous high-ambient duty
- Blocked bleed lines raising conductivity and corrosion
Dynamic specifications
Data Centre & Critical Cooling duty on Evapco plant
CRAC/CRAH units, chilled water plant and redundancy design
| Typical system duty | +18 °C to +27 °C supply air (Design to −30 °C with MHE loading) |
|---|---|
| Design humidity | 40–60% RH |
| Recommended gas / pressure class | R744 — handled by SAQCC Gas registered technicians |
| Equipment platform | Evapco Evaporative condensers and cooling towers — Closed-circuit coolers, evaporative condensers, industrial ammonia packages |
| Compliance frameworks | ASHRAE TC9.9, SANS 10147, Uptime standards, SAQCC Gas registration |
| OEM parts held | Evapco spray nozzles, drift eliminators, fan drives and water treatment kits |
| Service deliverable | Slab build-up drawing and heating loop test |
| Response / lead time | 2–4 weeks |
| Location hub | Serving Selby Industrial and surrounds off the M2 / N17 |
Local context
Working in Selby
We service Selby Industrial and the surrounding blocks of Selby, Johannesburg, with access off the M2 and N17. Highveld summers push afternoon ambients past 32 °C with heavy thunderstorm humidity, so condensers here are sized with a generous approach and cleaned before every summer.
Continuous N+1 sensible-only duty with free-cooling hours Thermal runaway trips racks within minutes
Compliance
Documentation you receive
- ASHRAE TC9.9
- SANS 10147
- Uptime standards
- SAQCC Gas registration
- Slab build-up drawing and heating loop test
FAQ
Evapco insulated floor slab installation in Selby
How fast can a technician service Evapco equipment at a data centre & critical cooling site in Selby?
Selby sits on the M2 and N17, so our Johannesburg dispatch reaches most Selby Industrial sites inside a standard callout window. Emergency insulated floor slab installation runs 24/7 because thermal runaway trips racks within minutes.
Do you stock OEM components for Evapco systems?
Yes — Evapco spray nozzles, drift eliminators, fan drives and water treatment kits. Evapco (USA) equipment on R744 charges is supported with the fast-moving spares held at our Pretoria North workshop and non-stock items brought in on OEM order.
What pressure testing and gas compliance certificates are provided?
Every insulated floor slab installation job closes with a pressure test record and gas handling Certificate of Conformance issued under SANS 10147 by a SAQCC Gas registered technician, plus the ASHRAE TC9.9 documentation your auditors expect.
What operating envelope do you commission this equipment to?
Data Centre & Critical Cooling run at +18 °C to +27 °C supply air at 40–60% RH, with insulated floor slab installation performed against Design to −30 °C with MHE loading. Thermal runaway trips racks within minutes
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Get started
Schedule an on-site diagnostic in Selby
Tell us what you need cooled and where. We respond with a scoped quote, and for emergencies we dispatch straight away.
- Phone / WhatsApp
- 069 268 0988
- info@reyds.co.za
- Workshop
- 386 Eeufees Street, Pretoria North, Gauteng
- Hours
- Mon–Fri 07:00–17:00, Sat 08:00–13:00. 24/7 emergency breakdown line.