Commodity2005200620072008200920102011
Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like$7,760$2,136$29,336$28,114$8,320$148,646$6,899
Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ...$15,888$11,856 $2,495$521  
Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like$570,436$1,069,724$7,429$518 $750 
Safety/relief valves for pipes/boiler shells/tanks/vats or the like$20,710$8,603$63,302$5,880$1,200  
Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ...$6,732,765$7,132,086$8,107,377$4,085,432$4,830,428$5,570,352$5,199,632
Parts of the appls. of 84.81$520,227$629,774$5,046,651$1,435,945$848,357$476,739$551,062
Total$7,867,786$8,854,179$13,254,095$5,558,384$5,688,826$6,196,487$5,757,593