154 TRIPLE VALVES 



attachments. It is tapped for f-in. pipe connections and 

 marked F-l on the valve body; its weight is 24 lb. The 

 piece number of the F-l plain triple valve, complete, is 4,233; 

 the piece and reference numbers of the various parts are given 

 in the accompanying list. 



F-2 (F-46) PLAIN TRIPLE VALVE 



The F-2 (F-46) plain triple valve, formerly designated as 

 the high-speed plain triple valve, and shown in Fig. 2, is now used 

 with 12-in., 14-in. ( and 16-in. freight- and switch-engine tender 

 brake cylinders; and for all 12-in., 14-in., and 16-in. driver- 

 and truck-brake cylinders, either with or without high-speed 

 attachments. It is tapped for f-in. pipe connections and 

 marked F-2 on the valve body; its weight is 24 J lb. The 

 piece number of the F-2 plain triple valve, complete, is 1,826; the 

 piece and reference numbers of the various parts are given 

 in the accompanying list. 



