Reliable Single Interlock Preaction System Manual de Serviço descarregar pdf (Página 43)

Page 43

TECHNICAL DATA

The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058

Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: [email protected]

February, 2010

PREACTION SPRINKLER

SYSTEM

NOTE: Section 6.9.2.3 of NFPA 13† requires the alarm apparatus for preaction systems to consist of

alarms actuated independently by the detection system and the flow of water (Figures 20a-20c). Preaction

systems activated by pilot sprinklers are not required to have an independent detection system alarm.

Figure 20a: Preaction System with Pilot Line Loss of Air Activates General Alarm

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Reliable Single Interlock Preaction System Manual de Serviço Página 43