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• � SECTIOfV IV — SYSTEM DE51GN UL EX.3470 ULC CEx747 Page 4-43 4-1-06 REV.S � TARlK A(dD CARTRIDGE REQUIREMEiVTS ACTUATION AfdD EXPELLAhiT GAS LINE REQUIREMEI�fTS Once the hazard analysis is completed and the total noule 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 between the regulated release mechanism reg- cartridges needed to supply the nozzles with the proper volumes ulator, each regulated actuator regulator, and each agent tank. of agent at the proper flow rates can be determined.For cartridges These limitations should be considered when selecting the com- used in the regulated reiease mechanism, flow capacities, tank ponent mounting locations. quantities and sizes, and regulated release cartridge options are given in the table below. Actuation Gas Line—6 to 8*Tanks Maximum TOt31 Quantity and r Regulated Release '8 Tank mauimum reflecis the utilization of 3 tank regulated actuators. Flow Size of Cartridge Options 1.Use only 1/4 in. Schedule 40 black iron, hot-dipped galva- Numbers' Tank s Nitrogen Carbon Dioxide 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 6-11 (1)3.O Gallon LT-30-R 701-20 release mechanism to each regulated actuator connected within the system.The total length of the actuation gas line 11 —16 (fi)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'* LT20-R, an L'f-30-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 following tank and cartridge combinations apply for each regulated actuator: Regulated Actuator Regulated Actuator Tank(s) Cartridge (1) 1.5 Gallon LT-20-R or 101-10 (1)3.0 Gallon LT30=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 101-30'"or double tank ' For exceptions to maximum flow numbers,see Distribution Piping Requirements for 1.5 gallon �� and 3.0 gallon systems in Ihis Sectian. "The 101-30 cartridge can not be used when(2)hvo 3.0 gallon tanks are manifolded togethec) For higher total flow numbers(23 to 110), multiple cartridges and regulated actuators are required as shown in the System Selection Guide in Section IX—Appendix. REGULATED ACNATOR ASSEMB�Y EXPELLANT GAS LINES NOT INCLUDED IN ACNATIO[d GAS LINE LENGTH TOTALS REGULATED ACTUATOR , ASSEMBLY ACTUATION GAS LINE WITH Aid LT-26-R, LT-30-R,101-t00R 101-20 CARTRIQGE ' MAXIMUM LENGTH OF 20 FT(6 m), MAXIMUM NO.OF FITTINGS 9 REGULATEO ACTUATOR ASSEMBIY "ANSUL AUTOMAN" REGULATED RELEASE ASSEMBLY � FIGURE 80 000ns