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Part Number

Part Number:
NSN:
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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
80064 NAVAL SHIP SYSTEMS COMMAND

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
MEDA MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MEDA MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END
ADSR BONNET TYPE INSIDE SPRING
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 2ND END
ZZZY REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY VALVE SIZE AND RELIEF PRESSURE RANGE
CBBL FEATURES PROVIDED VALVE STEM LOCK SHIELD AND BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
AWLS CONNECTION TYPE THREADED EXTERNAL PIPE 2ND END
CQJX NOMINAL THREAD SIZE 0.500 INCHES 1ST END
ADZH RENEWABLE SEAT RING TYPE THREADED
THSD THREAD SERIES DESIGNATOR NPT 1ST END
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
AQLR VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CQJX NOMINAL THREAD SIZE 0.500 INCHES 2ND END
AAJF THREAD DIRECTION RIGHT-HAND 1ST END
STYL STYLE DESIGNATOR ERR-090
MATT MATERIAL NICKEL ALLOY SEAT
THSD THREAD SERIES DESIGNATOR NPT 2ND END
ADQU FLOW CONTROL DEVICE POPPET
ADSU DISK LOADING METHOD SPRING
ADST BONNET ATTACHMENT METHOD THREADED
MATT MATERIAL STEEL STEM
AWLS CONNECTION TYPE THREADED INTERNAL PIPE 1ST END
AHNC CONNECTION STYLE ERR-090 ERR-100
AAJF THREAD DIRECTION RIGHT-HAND 2ND END
CQGM MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQCY ADJUSTABLE PRESSURE RANGE +76.0/+175.0 POUNDS PER SQUARE INCH
ADSY VALVE DISCHARGE FLOW RATE 274.0 POUNDS PER HOUR
AEHZ MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
MATT MATERIAL COPPER ALLOY 922 BODY

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