FM 2007 : 1979
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
LARGE DROP AUTOMATIC SPRINKLERS
07-23-2013
01-12-2013
I. INTRODUCTION
II. GENERAL REQUIREMENTS
2.1 Temperature Rating
III. PERFORMANCE REQUIREMENTS
3.1 Discharge Coefficient "K"
3.2 Strength of Waterway
3.3 Strength of Deflector
3.4 Hang-Up of Operating Parts
3.5 Distribution
3.6 Penetration
3.7 Cooling
3.8 Skipping
IV. MARKINGS
4.1 Orifice Diameter
4.2 FM Approval Mark
V. EXAMINATION AND TESTS
5.1 Discharge Coefficient "K"
5.2 Strength of Deflector
5.3 Hang-Up of Operating Parts
5.4 Distribution
5.5 Penetration and Cooling
5.6 Skipping
5.7 Other
APPENDIX 1: TEST SET-UP FOR MEASURING K FACTOR
APPENDIX 2: SINGLE SPRINKLER DISTRIBUTION
APPENDIX 3: MULTIPLE SPRINKLER DISTRIBUTION
APPENDIX 4: SKETCH OF FIREBALL GENERATOR AND COLLECTION PANS
APPENDIX 5: THERMOCOUPLE AND SPRINKLER LAYOUT
APPENDIX 6: SPRINKLER ARRAY FOR SKIPPING TEST
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