Farklı Otomatik Söndürme Sistemlerinin Birbirleriyle Karşılaştırılması

Overview

This paper by Gökhan Balık appears in the proceedings of the 16th National Installation Engineering Congress (TESKON 2025), held in Izmir (p. 1324), and was published by the Chamber of Mechanical Engineers of TMMOB. It compares wet-pipe sprinklers, double-interlock pre-action sprinklers, wet-pipe water mist, double-interlock pre-action water mist and clean-agent systems against 12 criteria in a colour-coded matrix, rated on a five-level scale from 'highest' to 'lowest'.

The author bases the assessment on his own experience and expert opinion, which means the method rests on qualitative judgement and not on measurement or testing. The conclusions are that wet-pipe sprinklers and wet-pipe water mist are the most reliable extinguishers. The double-interlock pre-action options drop one level in extinguishing reliability because water release also depends on the detection system.

Clean-agent systems rank lowest for extinguishing reliability: success depends on enclosure integrity and the system is single discharge. Clean agents also carry high first and refill costs, and certain agents face regulatory pressure. Water mist's higher cost mainly reflects tanks and pumps; where this equipment is not otherwise required, its cost can approach that of sprinklers. This distinction shows that, when choosing between water and gaseous suppression in data halls, cost is more than just the first investment.

Costs and maintenance burdens are discussed for each option. TS EN 12845, NFPA 13, TS EN 14972-1 and TS EN 15004-1 are named as related standards. Because the matrix rests on the author's experience, the results give a direction; for a specific facility the decision should be made together with local regulation and the official standards. The paper's value is that it presents the trade-offs in a form that carries directly into data-hall suppression choices.

Key points

1. Five options are compared on 12 criteria with a five-level ranking from 'highest' to 'lowest'.
2. Wet-pipe sprinklers and wet-pipe water mist are judged the most reliable extinguishers.
3. Double-interlock pre-action options drop one level in extinguishing reliability because water release also depends on the detection system.
4. Clean-agent systems rank lowest for extinguishing reliability: success depends on enclosure integrity and the system is single discharge.
5. Clean agents carry high first and refill costs and some agents face regulatory pressure.
6. Water mist's higher cost mainly reflects tanks and pumps; where not otherwise required its cost can approach sprinklers.
7. The assessment is based on the author's experience and expert opinion.
8. Related standards: TS EN 12845, NFPA 13, TS EN 14972-1 and TS EN 15004-1.

Using it in design

• Provide a suppression-option selector for white space, UPS/battery and electrical rooms showing reliability, water-damage risk, enclosure-integrity dependency and cost.
• If a clean-agent system is chosen, add an enclosure-integrity test as a required entry.
• Consider recommending a backup sprinkler or water-mist layer where local code requires it.
• Use the comparison as qualitative guidance and verify the final choice against the relevant standards and regulation.

Who should read it

Mechanical and fire-safety engineers and consultants selecting fire suppression for data centres.

Related standards

• TS EN 12845
• NFPA 13
• TS EN 14972-1
• TS EN 15004-1

Publication details

Authors

Gökhan Balık

Publisher

TMMOB Makina Mühendisleri Odası (MMO)

Year

2025

Document number

TESKON 2025 Bildiriler Kitabı, s. 1324

Event

16. Ulusal Tesisat Mühendisliği Kongresi (TESKON 2025), İzmir

Document language

English

Source type

Industry body

Access

Free to read

Licence

Copyright retained; citation only — the publisher’s terms apply to the original document

Citation