VALVE
P/N 559B-2M-150
PN 310116H1
PN 6447B
NSN 4820 01 122 9775
MFG  DRESSER RAND
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   VALVE,SAFETY RELIEF
DEFINITION:  A valve designed to automatically release excessive pressures. It is
             actuated by static pressure upstream of the valve and is used as a
             safety valve or relief valve, and may be set to close at a
             predetermined pressure. It is not designed for regulation of
             continuously fluctuating loads. It may be inline or cartridge
             (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND
             TEMPERATURE.
            
 
CHARACTERISTIC                          VALUE
THREAD DIRECTION                        RIGHT-HAND 1ST END                               
FLOW CONTROL DEVICE                     POPPET                                           
MAXIMUM OPERATING TEMP                  -40.0 DEG FAHRENHEIT 1ST RESPONSE 250.0 DEG      
                                        FAHRENHEIT 2ND RESPONSE                          
CONNECTION STYLE                        PLAIN (PIPE) 1ST END                             
VALVE OPERATION METHOD                  AUTOMATIC                                        
CONNECTION TYPE                         THREADED EXTERNAL PIPE 1ST END                   
MAXIMUM OPERATING PRESSURE              200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE     
NOMINAL THREAD SIZE                     0.250 INCHES 1ST END                             
OPENING PRESSURE SETTING                150.0 POUNDS PER SQUARE INCH                      
SPECIAL FEATURES                        POP-OFF TYPE                                     
MATERIAL                                COPPER ALLOY OVERALL                             
MEDIA FOR WHICH DESIGNED                AIR 1ST RESPONSE ALCOHOL, ETHYL 2ND RESPONSE     
                                        AMMONIA, GASEOUS 3RD RESPONSE REFRIGERANT 12 4TH 
                                        RESPONSE HYDROGEN 5TH RESPONSE                   
STYLE DESIGNATOR                        STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF
                                        ONE SECTION ONLY.                                
THREAD SERIES DESIGNATOR                NPT 1ST END