FM 1421 : 2007

1 INTRODUCTION
  1.1 Purpose
  1.2 Scope
  1.3 Basis for Requirements
  1.4 Basis for Approval
  1.5 Basis for Continued Approval
  1.6 Effective Date
  1.7 System of Units
  1.8 Applicable Documents
  1.9 Definitions
2 GENERAL INFORMATION
  2.1 Product Information
  2.2 Approval Application Requirements
  2.3 Requirements for Samples for Examination
3 GENERAL REQUIREMENTS
  3.1 Review of Documentation
  3.2 Physical or Structural Features
  3.3 Materials
  3.4 Markings
  3.5 Manufacturer's Installation and Operation Instructions
  3.6 Calibration
  3.7 Tolerances
4 PERFORMANCE REQUIREMENTS
  4.1 Examination
  4.2 Hydrostatic Proof-Pressure
  4.3 Operation and Freedom of Movement
  4.4 Pressure Verses Flow Rate
  4.5 Weatherability
  4.6 High Temperature Exposure
  4.7 Durability
  4.8 Corrosion - Salt Spray
  4.9 Foam Monitors
  4.10 Additional Tests
5 OPERATIONS REQUIREMENTS
  5.1 Demonstrated Quality Control Program
  5.2 Facilities and Procedures Audit (F&PA)
  5.3 Manufacturer's Responsibilities
  5.4 Manufacturing and Production Tests
APPENDIX A: Units of Measurement
APPENDIX B: FM Approvals Certification Mark
APPENDIX C: Tolerances

Contains the design and performance requirements for monitor assemblies for use in fire protection systems. Approval is limited to industrial applications. In cases where metric sized monitor assemblies are to be examined for Approval, test criteria comparable to the United States equivalent size shall be used.