FM 1210 : 2004

I. INTRODUCTION
     1.1 Purpose
     1.2 Scope
     1.3 Basis for Requirements
     1.4 Basis for FM Approval
     1.5 Basis for Continued FM Approval
     1.6 Effective Date
     1.7 System of Units
     1.8 Applicable Documents
     1.9 Definitions
II. GENERAL INFORMATION
     2.1 Product Information
     2.2 Approval Application Requirements
     2.3 Requirements for Samples for Examination
III. 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
IV. PERFORMANCE REQUIREMENTS
     4.1 Examination
     4.2 Clapper Strength
     4.3 Resilient Seat (Reverse Flow) Leakage
     4.4 Metal-To-Metal Seat (Reverse Flow) Leakage
     4.5 Hydrostatic Strength
     4.6 Friction Loss Determination
     4.7 Cycle Test
     4.8 Bonding Adequacy
     4.9 Water Absorption
     4.10 Aging
     4.11 Additional Tests
V. 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: APPROVAL MARKS
APPENDIX C: DRAWINGS
APPENDIX D: SAMPLE LISTING