Part Number
Definition:
A VALVE CONSISTING OF A SINGLE DEADWEIGHT LOADED DISK, OR TWO DEADWEIGHT LOADED DISKS EACH WITH A SEPERATE SEAT. IT IS SPECIFICALLY DESIGNED FOR THE RELIEF OF SMALL PRESSURE AND VACUUM CONDITIONS WITHIN A TANK OR OTHER CONTAINER TO OR FROM THE ATMOSPHERE. THE CENTER OF A SINGLE DEADWEIGHT LOADED DISK MAY CONTAIN A SPRING LOADED DISK FORMING AN ADDITIONAL SEAT OR APERTURE. IT MAY BE SPRING LOADED AND/OR EQUIPPED WITH A MANUAL UNLOADER ON EITHER THE PRESSURE OR VACUUM SIDE. EXCLUDE VALVE, VACUUM BREAKING.
CAGE Information
| Code | Company |
|---|---|
| 98021 | HALKEY-ROBERTS CORPORATION |
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 |
|---|---|---|
| ABJH | TEMP RATING | -80.0 DEG FAHRENHEIT |
| AAJJ | MAXIMUM OPERATING PRESSURE | 3.0 POUNDS PER SQUARE INCH |
| ACSH | SEAT MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 |
| ADQU | FLOW CONTROL DEVICE | CONE |
| AAFZ | BODY MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 |
| ABFF | FURNISHED ITEMS | NUT AND GASKET AND FILTER SCREEN |
| AAJP | OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 |
| ACKL | MEDIA FOR WHICH DESIGNED | AIR |
| ADQZ | END CONNECTION QUANTITY | 1 |
| ADQV | FLOW CONTROL DEVICE MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 AND RUBBER, BUNA-N |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.562-32 UN |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ABJH | TEMP RATING | 300.0 DEG FAHRENHEIT |
| AFLE | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| ADSV | OPENING PRESSURE SETTING | 3.0 POUNDS PER SQUARE INCH |
| AFLG | ABSOLUTE PRESSURE SETTING | NOT RATED |
| ACKN | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS |
| ADSU | DISK LOADING METHOD | WEIGHT |
| ACLK | FIRST END THREAD CLASS | 2A |
| AFLF | VALVE RELIEF DESIGN TYPE | PRESSURE |
| AAQL | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |