out-2351a.1Outline of Investigation for Nozzle Adaptors with Integral Filter for Fire Protection Service
2351A
1 Scope
1.1 These requirements cover nozzle adaptors with filter for use in water spray fixed systems intended for fire protection service.
1.2 Requirements for installation of water spray systems are included in the Standard for Water Spray Fixed Systems for Fire Protection, NFPA 15. Water spray fixed systems are intended to be inspected, tested and maintained in accordance with the Standard for the Inspection, Testing and Maintenance of Water-Based Fire Protection Systems, NFPA 25.