FM 2031 : 2001

I. INTRODUCTION
     1.1 Purpose
     1.2 Scope
     1.3 Basis for Requirements
     1.4 Basis for FM Approval
     1.5 Basis for Continued 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 Materials
     3.4 Markings
     3.5 Manufacturer's Installation and Operation Instructions
     3.6 Calibration
IV. PERFORMANCE REQUIREMENTS
     4.1 Examination
     4.2 Assembly Load/Frame Strength
     4.3 Strength of Heat Responsive Element
     4.4 Operating Temperature (Liquid Bath)
     4.5 High Ambient Temperature Exposure (90 Day Test)
     4.6 Corrosion - Salt Spray
     4.7 Corrosion - Stress Cracking
     4.8 Corrosion - Carbon Dioxide-Sulphur Dioxide
     4.9 Corrosion - Hydrogen Sulphide
     4.10 Sensitivity (Air Oven)
     4.11 Thermal Shock (Glass Bulb Heat Responsive Links Only)
     4.12 Additional Tests
V. 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: TOLERANCE LIMIT CALCULATIONS
APPENDIX E: FIGURE E-1. BULB CRUSH INSERTS FOR STRENGTH OF
            ELEMENT TEST