BALL VALVE 



SURGE 

 COMP. 



NEEDLE VALVE 



'-k-^ 



PRESSURE GUAGE 

 0-3000 PS I 



H. L PRESS. 

 LINE 



TOTALIZING FLOWMETER 



CHECK VALVE PRESSUREGUAGE 

 <^ V / (0-160 PSI) 



o 



NEEDLE VALVE 



LOW PRESS. 

 LINE 



REGULATOR 



FIGURE 10.— GAS FLOW CONTROL CONSOLE 



FIGURE II.— MINITAT CONTROL CENTER COMMUNICATIONS 



III-ll 



