FM 1045 : 2005

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 Clearances
  3.4 Materials
  3.5 Markings
  3.6 Manufacturer's Installation and Operation Instructions
  3.7 Calibration
4 Performance Requirements
  4.1 Examination
  4.2 Clapper Strength
  4.3 Resilient Seat (Reverse Flow) Leakage
  4.4 Metal-To-Metal (Reverse Flow) Seat Leakage
  4.5 Hydrostatic Strength
  4.6 Friction Loss Determination
  4.7 Differential Cracking Pressure
  4.8 Cycle Test
  4.9 Bonding Adequacy
  4.10 Water Absorption
  4.11 Aging
  4.12 Additional Tests
5 Operations Requirements
  5.1 Demonstrated Quality Control Program
  5.2 Facilities and Procedure Audit (F&PA)
  5.3 Manufacturer's Responsibilities
  5.4 Manufacturing and Production Tests
APPENDIX A: Units of Measurement
APPENDIX B: Approval Marks
APPENDIX C: Tolerances
APPENDIX D: Drawings
APPENDIX E: Sample Listing