| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4820-00-844-8481
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 008448481
 
 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:
 
 | 636-1 1-2 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT | 
 |  
					            | 
 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | COPPER ALLOY OVERALL |  | FLOW CONTROL DEVICE | POPPET |  | MAXIMUM OPERATING PRESSURE | 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE |  | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |  |  | THREADED INTERNAL PIPE 2ND END |  | CONNECTION STYLE | PLAIN (PIPE) 1ST END |  |  | PLAIN,OPTIONAL END(PIPE) 2ND END |  | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END |  |  | 0.500 INCHES 2ND END |  | THREAD SERIES DESIGNATOR | ANPT 1ST END |  |  | ANPT 2ND END |  | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |  |  | 0.500 INCHES 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  |  | RIGHT-HAND 2ND END |  | RENEWABLE SEAT RING TYPE | PRESSED-IN |  | BONNET TYPE | INSIDE SPRING |  | BONNET ATTACHMENT METHOD | PRESSURE SEAL, RING TYPE |  | OPENING PRESSURE SETTING | 10.0 POUNDS PER SQUARE INCH |  | ADJUSTABLE PRESSURE RANGE | 4.0 TO 15.0 POUNDS PER SQUARE INCH |  | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 86768 |  | DESIGN CONTROL REFERENCE | 636-1 1-2 | 
 |  |