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 |
|---|---|
| 73475 | ROBERTSHAW CONTROLS COMPANY |
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 |
|---|---|---|
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 6.000 INCHES ALL ENDS |
| MEDA | MEDIA FOR WHICH DESIGNED | LIQUID 1ST RESPONSE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, REGULATING FLUID |
| STYL | STYLE DESIGNATOR | ERR-090 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| AQLR | VALVE OPERATION METHOD | AIR |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS |
| ADSU | DISK LOADING METHOD | SPRING |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 2ND RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 25.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQCY | ADJUSTABLE PRESSURE RANGE | +3.0/+25.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | IRON CAST BODY |
| AECS | BOLT HOLE QUANTITY | 4 ALL ENDS |
| CCFG | VALVE SIZE | 3.000 INCHES |
| CWCF | FACE TO FACE DISTANCE | 8.625 INCHES |
| CWCK | NOMINAL THICKNESS | 0.750 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | BUILT TO A GENERAL ELECTRIC DRAWING NUMBER 226A1044P003 |