Approval Standard for
Hybrid (Water and Inert Gas) Fire Extinguishing Systems
ClassNumber5580
November2009
Foreword
The FM Approvals certification mark is intended to verify that the products and services described will meet FMApprovals’ stated conditions of performance safety and quality useful to the ends of property conservation. The purpose of Approval Standards is to present the criteria for FM Approval of various types of products and services as guidancefor FM Approvals personnel manufacturers users and authorities having jurisdiction.
Standard and that quality control in manufacturing shall ensure a consistently uniform and reliable product. ApprovalStandards strive to be performance-oriented. They are intended to facilitate technological development.
For examining equipment materials and services Approval Standards:
a)must be useful to the ends of property conservation by preventing limiting or not causing damage underthe conditions stated by the Approval listing; andb) must be readily identifiable.
Continuance of Approval and listing depends on pliance with the Approval Agreement satisfactory performance inthe field on succesful re-xaminations of equipment materials and services as appropriate and on periodic follow-up audits of the manufacturing facility.
os o sps o s s
Table of Contents
1. INTRODUCTION1.1 1.2 PURPOSE. SCOPE.1.3 BASIS FOR REQUIREMENTS. TABLE 1.2.4.2.4 HYBRID FIRE EXTINGUISHING SYSTEM DESIGN CRITERIA1.4 BASIS FOR APPROVAL. 3 .31.5 1.6 BASIS FOR CONTINUED APPROVAL. EFFECTIVE DATE. t" 41.7 1.8 APPLICABLE DOCUMENTS . ..4 .41.9 1.10 REFERENCES. .15 ..72. GENERAL INFORMATION .152.1 PRODUCT INFORMATION.. .152.2 2.3 APPROVAL APPLICATION REQUIREMENTS. REQUIREMENTS FOR SAMPLES FOR EXAMINATION.. .15 163. GENERAL REQUIREMENTS ..173.1 3.2 REVIEW OF DOCUMENTATION . PHYSICAL OR STRUCTURAL CONSTRUCTION FEATURES. 173.3 3.4 MARKING.. COMPONENTS... 19 61”TABLE 3.4.5 - TEMPERATURE RATINGS CLASSIFICATIONS AND COLOR CODES.. .213.5 MANUFACTURER's DESIGN INSTALLATION AND OPERATION INSTRUCTIONS. TABLE 3.4.6 - TEMPERATURE RATINGS AND BULB COLOR CODES. .21 .223.6 3.7 CALIBRATION TEST FACILITIES... .22 .223.8 TOLERANCES. .224. 4.1 PERFORMANCE REQUIREMENTS. GENERAL EXAMINATION AND PERFORMANCE REQUIREMENT TEST PROCEDURES. .23 .234.1.2 4.1.1 EXAMINATION. VALVE SEAT LEAKAGE .23 .234.1.3 HYDROSTATIC STRENGTH . .244.1.4 4.1.5 OPERATING PRESSURE. DURABILITY - CYCLING. .24 .244.1.6 4.1.7 EXTREME TEMPERATURES OPERATION . SALT SPRAY CORROSION... .25 .254.1.8 TABLE 4.1.8 - VIBRATION CONDITIONS. VIBRATION RESISTANCE. .26 .264.1.9 VALVE LOCKING/SUPERVISION ABILITY . .264.1.10 4.1.11 FRICTION LOSS DETERMINATION . SEALS AND O-RINGS. .27 .274.2 4.1.12 HYBRID FIRE EXTINGUISHING SYSTEM NOZZLES . PIPE COUPLING GASKETS. .29 .284.2.1 ASSEMBLY LOAD/FRAME STRENGTH (AUTOMATIC/CLOSED NOZZLES ONLY). .294.2.2 4.2.3 LEAKAGE(AUTOMATIC/CLOSED NOZZLES ONLY) STRENGTH OF HEAT RESPONSIVE ELEMENT (AUTOMATIC/CLOSED NOZZLES ONLY) . .29 .304.2.5 4.2.4 30-DAY LEAKAGE (AUTOMATIC/CLOSED NOZZLES ONLY).. HYDROSTATIC STRENGTH (AUTOMATIC/CLOSED NOZZLES ONLY).. ..314.2.6 4.2.7 OPERATING TEMPERATURE (LIQUID BATH) (AUTOMATIC/CLOSED NOZZLES ONLY). WATER HAMMER (AUTOMATIC/CLOSED NOZZLES ONLY). .32 .32AIR BATH (AUTOMATIC/CLOSED NOZZLES ONLY). TABLE 4.2.7.2 - LIQUID BATH CONDITIONS. .324.2.8 .33
4.2.9 TABLE 4.2.9.2 - TEST PRESSURES . HANG-UP OF OPERATING PARTS (AUTOMATIC/CLOSED NOZZLES ONLY). .33 .344.2.10 STRENGTH OF DEFLECTOR (FLOW ENDURANCE). VACUUM (AUTOMATIC/CLOSED NOZZLES ONLY). .344.2.12 4.2.11 HIGH AMBIENT TEMPERATURE EXPOSURE (90 DAY TEST) (AUTOMATIC/CLOSED NOZZLES ONLY). .35 .35TABLE 4.2.12.1A - HIGH AMBIENT TEMPERATURE EXPOSURE TEST CONDITIONS. TABLE 4.2.12.1C - PERMITTED SOFTENING POINTS OF VoLATILE NoZZLE COATINGS. .36 .354.2.13 4.2.14 THERMAL SHOCK (GLASS BULB NOZZLES ONLY).... DISCHARGE COEFFICIENT K-FACTOR. .37 .374.2.15 MOIST AIR (ANY NOZZLE WITH MOVING PARTS). .384.2.16 4.2.17 CORROSION - SALT SPRAY CORROSION - STRESS CRACKING. .38 .394.2.18 4.2.19 CORROSION -CARBON DIOXIDE-SULFUR DIOXIDE. CORROSION - HYDROGEN SULFIDE.. .424.2.20 TABLE 4.2.20.2 - VIBRATION CONDITIONS. VIBRATION... .43 .434.2.21 ROUGH USE AND ABUSE4.2.22 4.2.23 HIGH TEMPERATURE EXPOSURE. FREEZING (AUTOMATIC/CLOSED NOZZLES ONLY) .454.2.24 4.2.25 MINIMUM OPERATING PRESSURE (ANY NOZZLE WTTH MOVING PARTS) PROXCESS RESIDUE .454.2.26 CONDUCTIVITY (C-FACTOR) (AUTOMATIC/CLOSED NOZZLES ONLY) TABLE 4.2.26.2 - RANGE OF TEST CONDITIONS FOR C-FACTOR. ..47 464.2.27 SENSITIVITY - RESPONSE TIME INDEX (RTI) (AUTOMATIC/CLOSED NOZZLES ONLY).. ..48FIGURE 4.2.27.1 RTI AND C-FACTOR LIMITS FOR BEST CASE ORIENTATION. TABLE 4.2.27.2 - PLUNGE TEST CONDITIONS . 504.2.28 SENSITIVITY (RECESSED FLUSH AND CONCEALED TYPES) (AUTOMATIC/CLOSED NOZZLES ONLY) TABLE 4.2.28.2.1 - RT1 AND C-FACTOR COMBINATIONS. .51 .504.2.29 SENSITIVITY (AIR OVEN) (AUTOMATIC/CLOSED NOZZLES ONLY) . TABLE 4.2.28.2.2 - TUNNEL CONDITIONS. .51 .52TABLE 4.2.29.1.1 - AIR OVEN NOZZLE SENSITIVITY FOR NEW UNCOATED NOZZLES UTILIZING THE TIME VS.TABLE 4.2.29.1.2 - AIR OVEN NOZZLE SENSITIVITY FOR NEW NOZZLES HAVING CORROSION RESISTANT TEMPERATURE DATA PER TABLE 4.2.29.2 .52TABLE 4.2.29.1.3 - AIR OVEN NOZZLE SENSITIVITY FOR AGED OR ELEVATED TEMPERATURE EXPOSED COATING UTILIZING THE TIME VS. TEMPERATURE DATA PER TABLE 4.2.29.2. ..52NOZZLES HAVING CORROSION RESISTANT COATING UTILIZING THE TIME VS. TEMPERATURE DATA .53TABLE 4.2.29.2 - TIME VS. TEMPERATURE POINTS FOR AIR OVEN NOZZLE SENSFTIVITY TEST PER TABLE 4.2.29.2. .534.2.30 4.2.31 NOZZLE DISCHARGE CHARACTERISTICS IMPINGEMENT (AUTOMATIC/CLOSED NOZZLES ONLY) .54 534.3 4.2.32 AUTOMATIC RELEASES.. PROTECTIVE CAPS .55 .544.4 BALL VALVE (MANUAL AND PNEUMATIC ACTUATION). .55 .554.4.2 4.4.1 BALL OR DISC STRENGTH.. STEM SEAL .554.4.4 4.4.3 OPERATING FORCE TEST. STABILITY TEST - DISC TYPE VALVES ONLY .55 .564.5 4.4.5 CHECK AND SHUTTLE VALVES ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE).. .56 .564.5.1 CLAPPER - POPPET STRENGTH. .564.6 4.5.2 CONNECTION BLOCK ASSEMBLY CYLINDER MANIFOLD . ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE) .57 .574.7 4.6.1 CONTROL PANEL. PERFORMANCE TESTS (AS APPLICABLE). .57 .574.8 4.8.1 CYLINDER BURST DISCS - SEALING MEMBRANE RUPTURE DISC ASSEMBLIES PRESSURE OPERATION. .57 .574.8.2 PRESSURE RELIEF CALCULATIONS .58CYLINDER GAS STORAGE. .58
4.9.1 4.9.2 ONE YEAR LEAKAGE LOSS TEST. CONSTRUCTION DESIGN. .59 584.9.3 EXTREME LOW TEMPERATURE TEST. 594.9.4 4.9.5 EXTREME HIGH TEMPERATURE TEST. HYDROSTATIC INTEGRITY .60 594.9.6 4.9.7 PERMANENT VOLUMETRIC EXPANSION. ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE). 60 194.10 4.10.1 CYLINDER VALVE ASSEMBLY . PERFORMANCE TESTS (AS APPLICABLE). 19 194.11 DETECTION DEVICES (FIRE & SMOKE). 194.13 4.12 DRAIN/FILL VALVE (AS APPLICABLE). FITTINGS AND PIPING (INCLUDING COUPLINGS AND TUBING) . .62 .624.13.2 4.13.1 JOINING METHODS. ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE) ..62 .624.14 FLOW SWITCHES (PRESSURE ACTUATED). 4.14.1 ACTUATION POINT ACCURACY AND REPEATABILITY. ..63 .634.14.2 DIELECTRIC STRENGTH4.15 4.14.3 HIGH PRESSURE FLEXIBLE DISTRIBUTION HOSE ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE) ..64 634.15.1 4.15.2 FATIGUE TEST. VACUUM TEST. ..644.15.3 4.15.4 SEAL INTEGRITY TEST. HIGH PRESSURE FLOW TEST.. ..65 654.15.5 ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE). ..664.16 LEVEL SWITCH (WATER). 4.16.1 EQUIPMENT ASSEMBLY RATING (VOLTAGE VARIATION). 664.16.2 4.16.3 DIELECTRIC STRENGTH ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE). ..67 ..674.17 4.17.1 7MANUAL PULL STATION/MANUAL RELEASE.. MANUAL RELEASE SPECIFICATIONS. .674.18 MOUNTING CYLINDER BRACKET. .684.18.1 4.18.2 HIGH PRESSURE DISCHARGE TEST . CATASTROPHIC FAILURE TEST. ..68 .684.19 PNEUMATIC ACTUATOR. 4.19.1 PRESSURE REQUIREMENT ACTIVATION TEST .69 ..694.20PRESSURE GAUGES. 4.19.2 ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE). ..694.20.1 GENERAL. ..69 694.20.2 4.20.3 DURABILITY. READABILITY.. ..70 .694.20.4 4.20.5 ACCURACY. HYSTERESIS. 70 .704.20.6 HYDROSTATIC STRENGTH . OVERPRESSURE .704.20.7 4.20.8 VIBRATION. 124.20.10 SALT SPRAY CORROSION.. 4.20.9 WEAR.. .71 .714.21 4.20.11 MoISTURE. PRESSURE CONTROL DEVICES - AUTOMATIC - DUMP - REDUCING - REDUCING STATION - REGULATING - RELIEF - ..72RESTRICTING - SAFETY - UNLOADER VALVES. 724.21.2 4.21.1 DIAPHRAGM STRENGTH. DISC/PLUG ASSEMBLY OR EQUIVALENT COMPONENT STRENGTH.. .72 .724.21.4 4.21.3 DURABILITY - CYCLING.. OPERATING PRESSURE. .73 .734.22 PRESSURE SWITCHES. 4.21.5 ADDITIONAL PERFORMANCE TESTS (AS APPLICABLE) .73 .744.22.1 DIELECTRIC STRENGTH . 744.22.2 ADDITIONAL PERFORMANCE REQUIREMENTS (AS APPLICABLE) .74
