Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , RELIEF , PRESSURE AND TEMPER
Definition:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.
CAGE Information
| Code | Company |
|---|---|
| 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DI |
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 |
|---|---|---|
| AAFZ | BODY MATERIAL | ANY ACCEPTABLE |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| AAQL | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| ADSW | ADJUSTABLE PRESSURE RANGE | NOT RATED |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES |
| ABJH | TEMP RATING | NOT RATED |
| ADSV | OPENING PRESSURE SETTING | NOT RATED |