15-16439 - Laserfiche WebLink

Browse Search

SECTION IV — SYSTEM DESIGN , UL EX.3470 ULC CEx747 Page 4-43 - 4-1-06 REV.5 `�, TANK AND CARTRIDGE REQUIREMENTS ACTUATION AND EXPELLANT GAS LINE REDUIREMEf�fTS Once the hazard analysis is completed and the total nozzle flow This section contains the guidelines for installing the actuation and numbers are established,the quantity and size of agent tanks and expellant gas lines beiween the regulated release mechanism reg- cartridges needed to supply the nozzles with the proper vol�mes ulator, each regulated actuator regulator, and each agent tank. of agent at the proper flow rates can be determined.For cartr dges These limitations should be considered when selecting the com- used in the regulated release mechanism, flow capacities,l tank ponent mounting locations. ', quantities and sizes, and regulated release cartridge optio s are given in the table below. Actuation Gas Line—6 to 8*Tanks Maximum '8 Tank maximum reflects the utilization of 3 tank regulated actuators. Total Quantity and ! Regulated Release ' Flow Size of Cartridge Options 1.Use only 1/4 in. Schedule 40 black iron, hot-dipped galva- Numbers' Tank s Nitrogen Carbon Dio ide nized,chrome-plated, or stainless steel pipe and fittings. 1 — 5 (1) 1.5 Gallon LT-20-R 101-10 2.The actuation gas line piping is installed from the regulated 6—i 1 (1)3.0 Gallon LT-30-R 101-20 release mechanism to each regulated actuator connected within the system.The total length of the actuation gas line 11 —16 (�') i.5 Gallon� Double 101-30 from the regulated release assembly to the regulated actuator (1)3.0 Gallon assembly(ies) must not exceed 20 ft. (6 m) when using an 16—22 (2)3.0 Gallon Double 101-30" LT-20-R, an LT30-R nitrogen cartridge, or a 101-10 or a ► 101-20 carbon dioxide cartridge.See Figure 80. When one or more regulated actuators are used, the foll wing tank and cartridge combinations apply for each regulated act�ator: Regulated Actuator Regulated Actuator Tank(s) Cartridge (1) 1.5 Gallon LT-20-R or 101-10 (1)3.0 Gaflon LT 30-R or 101-20 (1) 1.5 Gallon and LT-A-101-30 or 101-30"`or (1)3.0 Gallon double tank (2)3.0 Gallon LT-A-101-30 or 107-30"*or double tank ' For exceptions to maximum flow numhers,see Distribution Piping Requirements for .5 gallon �� and 3.0 gallon syslems in Ihis Sec6on. "The 101-30 carUidge can not be used when(2)two 3.0 gallon tanks are manifolded togetherJ For higher total flow numbers(23 to 110), multiple cartridges and regulated actuators are required as shown in the System Se�ection Guide in Section IX—Appendix. REGULATED ACTUATOR ASSEMBLY EXPELLANT GAS LINES NOT fNCLUDED fN AC7UATION GAS LINE LENGTH TOTALS REGULATED ACTUATOR , ASSEMBLY ACTUATION GAS LINE WfTH AN LT-20-A, LT-30-R,707-10 OR/07-20 CARTFiIDGE ' MAXIMUM LENGTH OF 20 FT.(6 m), MAXIMUM NO.OF FlTTWGS 9 REGULATED ACTIfATOR ASSEMBLY "ANSUL AUTOMAN" I REGULATED RELEASE ASSEMBLY - ► FIGURE 80 ��. 000n5