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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CWDL | RAISED FACE NOMINAL DIAMETER | 2.000 INCHES 1ST END |
| ADSR | BONNET TYPE | INSIDE SPRING |
| CWDL | RAISED FACE NOMINAL DIAMETER | 1.375 INCHES 2ND END |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.125 INCHES 1ST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.250 INCHES 1ST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| ADQU | FLOW CONTROL DEVICE | DISK |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.312 INCHES |
| CWCK | NOMINAL THICKNESS | 0.437 INCHES 2ND END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| CWCK | NOMINAL THICKNESS | 0.375 INCHES 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.250 INCHES |
| MATT | MATERIAL | STEEL BODY |
| ADSU | DISK LOADING METHOD | SPRING |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END |
| CCFG | VALVE SIZE | 0.500 INCHES |
| AGAV | END ITEM IDENTIFICATION | PROPULSION SYSTEMS |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 2ND END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 2.375 INCHES 2ND END |
| MATT | MATERIAL | STEEL SEAT |
| AECS | BOLT HOLE QUANTITY | 4 ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-582,TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| ADST | BONNET ATTACHMENT METHOD | UNION |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.500 INCHES 2ND END |