Part Number
Part Number:
NSN:
NIIN:
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.
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
VALVES, NONPOWERED
Inclusions:
INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.
Exclusions:
EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AEHZ | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT 2ND RESPONSE |
| MATT | MATERIAL | COPPER ALLOY STEM |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL TUBE ALL ENDS |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AHNC | CONNECTION STYLE | SOCKET (TUBE) ERR-100 |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| CQCY | ADJUSTABLE PRESSURE RANGE | +136.0/+169.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY BODY |
| STYL | STYLE DESIGNATOR | ERR-090 |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| ADSU | DISK LOADING METHOD | SPRING |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 2ND RESPONSE |