RELAY:PNEUMATIC;RANGE:145 PSI MAX AIR,102 PSI SIG,TYPE:VOLUME BOOSTER,PROCESS CONNECTION:1/2 IN NPT,MATERIAL:DIE-CAST ALUMINIUM,TEMP ERATURE RATING:-20 TO 70 DEG C,ADDITIONAL SPECIFICATION:-4 TO 1258 DEG F AMBIENT,SIGNAL/OUTPUT PRESSURE RATIO:1:1 PLANT RE