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NFPA® 20 Standard for the Installation of Stationary Pumps for Fire Protection 2019 Edition


NFPA® 20
Standard for the Installation of Stationary Pumps for Fire Protection

2019 Edition

nfpa,nfpa 20 , 20 , 2019 ,pump , fire,protection,installation,standard, self-regulating variable speed,pressure,relief valveThe 2019 edition of NFPA 20 is revised to recognize new technologies, including automated inspection and testing, distance monitoring, automated valves, and self-regulating variable speed fire pump units. 
Provisions are added to require that a single entity be responsible for acceptable fire pump unit performance.

A new definition for lowest permissible suction pressure is added to provide a better understanding of the maximum available flow by connecting it to a suction pressure. Requirements are added to clarify where manifolding of fire pump test piping is permitted, as well as where combining fire pump test piping with relief valve discharge piping is permitted. 

New definitions are added to differentiate between standby power and alternate power and to ensure proper application of these terms throughout the document.
 
 The term very tall building is defined and the requirements pertaining to these buildings are expanded, including those for automatic tank refill valves. 

New requirements and annex material are added to help package designers through the evaluation of mass elastic systems. The requirements for hydraulic cranking systems are revised to distinguish between systems used as primary cranking systems and those used as secondary cranking systems. Annex C is revised significantly to make data formatting more universal


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