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FM 2311 : 2008
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The latest, up-to-date edition.
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VACUUM AND PRESSURE GAUGES FOR FIRE PROTECTION SYSTEMS
12-01-2013
1 INTRODUCTION
1.1 Purpose
1.2 Scope
1.3 Basis of Requirements
1.4 Basis of Approval
1.5 Basis for Continued Approval
1.6 Effective Date
1.7 Systems 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 Physics of Structural Features
3.3 Materials
3.4 Markings
3.5 Manufacturer's Installation and Operational Instructions
3.6 Calibration
3.7 Tolerances
4 PERFORMANCE REQUIREMENTS
4.1 Examination
4.3 Accuracy/Hysteresis
4.4 Readability
4.5 Cycling Pressure Endurance
4.6 Moisture Exposure
4.7 Hydrostatic Strength/Rupture
4.8 Vibration
4.9 Salt Spray Exposure
4.10 Additional Tests
5 OPERATIONAL REQUIREMENTS
5.1 Demonstrated Quality Control Program
5.2 Facilities and procedures Audit (F&PA)
5.3 Manufacturer's Responsibility
5.4 Manufacture ring and Production Tests
5.4.1 Cycle Test
5.4.2 Accuracy
APPENDIX A: Units of Measurement
APPENDIX B: FM Approvals Certification Marks
APPENDIX C: Tolerance
APPENDIX D: Sample Testing
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