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 |
|---|---|---|
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| ADSR | BONNET TYPE | INSIDE SPRING |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 1ST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING (TUBE) ERR-100 |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL TUBE 2ND END |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 2.688 INCHES 1ST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.812 INCHES 1ST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 TY/303 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| CWCK | NOMINAL THICKNESS | 0.438 INCHES 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES 2ND END |
| AECS | BOLT HOLE QUANTITY | 4 1ST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQCY | ADJUSTABLE PRESSURE RANGE | +164.0/+201.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |