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 |
|---|---|
| 0AT62 | DRESSER-RAND COMPANY DBA RECIPROCATI |
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 |
|---|---|---|
| ADSR | BONNET TYPE | INSIDE SPRING |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MEDA | MEDIA FOR WHICH DESIGNED | LIQUID 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ERR-090 |
| CQCY | ADJUSTABLE PRESSURE RANGE | +30.0/+100.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | DRESSER RAND PURCHASES THIS VALVE (PC 82) AND SPRING (PC 81, P/N 407S-WS) FROM FULFLO AND ASSEMBLES AND SETS CRACKING PRESSURE AT THEIR FACTORY. DRESSER RAND REFUSED TO SPECIFY CRACKING PRESSURE SETTING. SIMILAR ITEM IS 4820-01-259-8850 WHICH USES THE SAME SPRING AND IS SET AT 55 PSI. |
| MATT | MATERIAL | STEEL OVERALL |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| ADSU | DISK LOADING METHOD | SPRING |
| AGAV | END ITEM IDENTIFICATION | CENTRIFUGAL COMPRESSOR |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| CQGM | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| MEDA | MEDIA FOR WHICH DESIGNED | OIL 1ST RESPONSE |