FM 1920 : 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
       3.4.1 Grooved Couplings, Grooved Split Flanges,
             Mechanical Tees
       3.4.2 Fittings
  3.5 Manufacturer's Installation and Operation Instructions
  3.6 Calibration
  3.7 Tolerances
4 PERFORMANCE REQUIREMENTS
  4.1 Examination
  4.2 Hydrostatic Strength
  4.3 Bending Moment Resistance
  4.4 Rotational Bending Moment Resistance
  4.5 Vibration Resistance
  4.6 Cycling Pressure Resistance
  4.7 Vacuum Resistance
  4.8 Hot Gasket Test
  4.9 Cold Gasket Test
  4.10 Fire Test
  4.11 Leakage Test - Assembly without Gasket
  4.12 Friction Loss Determination
  4.13 Seismic Evaluation
  4.14 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 Marks
APPENDIX C: Test Assembly Sketches
APPENDIX D: Bending Moment Calculations
APPENDIX E: Bending Moment Tables
APPENDIX F: Rotational Bending Moment Tables
APPENDIX G: Sample Listings
APPENDIX H: Tolerance

Contains the design and performance requirements for grooved end couplings and other pipe fittings, outlined below, for use with steel pipe in either wet or dry pipe sprinkler systems, or both, but in all cases for aboveground fire protection systems.