| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4820-01-551-1483
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 015511483
 
 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:
 
 | ND-9215 | K0824 | PEARSON ENGINEERING LIMITED |  | RVEA-LCV | 54035 | SUN HYDRAULICS CORP | 
 |  
					            | 
 Techincal Specification:
 
 | STYLE DESIGNATOR | SCREW-IN CARTRIDGE |  | MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | CONNECTION TYPE | THREADED CARTRIDGE ALL ENDS |  | NOMINAL LENGTH | 4.180 INCHES ALL ENDS |  | SPECIAL FEATURES | NORMALLY CLOSED PRESSURE REGULATING VALVES;WHEN PRESSURE AT PORT 1 REACHES THE VALVE SETTING, THE VALVE STARTS TO OPEN TO PORT 2, THROTTLING FLOW TO REGULATED THE PRESSURE;PORT 3 CONNECTS BETWEEN THE MAIN PISTON AND PILOT STAGE TO PROVIDE FOR REMOTE CONTROL BY OTHER PILOT OR 2-WAY VALVES;VALVES ARE ACCURATE, HAVE LOW PRESSURE RISE VS FLOW, SMOOTH AND QUIET, AND MODERATELY FAST; CAPACITY IS 30 GPM;VALVE HEX SIZE 1 1/8 IN; VALVE INSTALLATION TORQUE 45-50 LBF FT |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | VENTABLE,PILOT OPERATED,BALENCED PISTON RELIEF VALVE | 
 |  |