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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
34889 HUNT VALVE COMPANY INC DBA UNION FLO

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
AEHZ MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
ADSR BONNET TYPE INSIDE SPRING
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE OR QQ-N-288 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES ALL ENDS
ADST BONNET ATTACHMENT METHOD BOLTED
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
AHNC CONNECTION STYLE SOCKET WITH BRAZING RING ERR-100
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE OR PLASTIC ACETAL FLOW CONTROL DEVICE
ADQU FLOW CONTROL DEVICE DISK
AQLR VALVE OPERATION METHOD AUTOMATIC OR MANUAL
MATT MATERIAL COPPER ALLOY BODY
STYL STYLE DESIGNATOR ERR-090
ADSU DISK LOADING METHOD SPRING
TMQY FURNISHED ITEMS AND QUANTITY 2 NUT AND 2 TAILPIECE
MATT MATERIAL STEEL STEM
AWLS CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
CQCY ADJUSTABLE PRESSURE RANGE +18.0/+22.0 POUNDS PER SQUARE INCH
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE SEAT OR QQ-N-288 FED SPEC 2ND MATERIAL RESPONSE SEAT

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