|  | 
                            
                                |   | 
		                    
		                        | National Stock Number:
 4820-01-497-7012
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 014977012
 
 Description:
 VALVE,SAFETY RELIEF
 
 Detail:
 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.
 | 
		                    
		                        | 
 Manufacturer Information:
 
 | 9687 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP |  | 9687 ASSY 9687G91SS | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP |  | 9687G91SS | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP | 
 | 
				            
					            | 
 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE FLANGED ENDS |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | STEEL BODY |  |  | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |  |  | STEEL CORROSION RESISTING SEAT |  |  | STEEL CORROSION RESISTING STEM |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |  | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |  | SPECIAL FEATURES | FLANGED,SPRING RANGE IS 11-30 | 
 |