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 |
|---|---|
| 34889 | HUNT VALVE COMPANY INC DBA UNION FLO |
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 |
|---|---|---|
| CWDF | FLANGE FACE DESIGN | PLAIN 1ST END |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| CQCY | ADJUSTABLE PRESSURE RANGE | +88.0/+108.0 POUNDS PER SQUARE INCH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.125 INCHES 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| MATT | MATERIAL | COPPER ALLOY BODY |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 2.750 INCHES 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 2ND END |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| ADSU | DISK LOADING METHOD | SPRING |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 2ND END |
| AECS | BOLT HOLE QUANTITY | 4 1ST END |
| CWCK | NOMINAL THICKNESS | 0.343 INCHES 1ST END |
| AHNC | CONNECTION STYLE | SOCKET ERR-100 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES 1ST END |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |