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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
ADSR BONNET TYPE INSIDE SCREW
AEHZ MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATT MATERIAL STEEL CORROSION RESISTING STEM
ADST BONNET ATTACHMENT METHOD BOLTED
AQLR VALVE OPERATION METHOD AUTOMATIC
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
MEDA MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE
AWLS CONNECTION TYPE UNTHREADED INTERNAL TUBE ALL ENDS
CWFD NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES ALL ENDS
TMQY FURNISHED ITEMS AND QUANTITY 1 LEVER
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
MEDA MEDIA FOR WHICH DESIGNED GAS, INERT 2ND RESPONSE
MATT MATERIAL COPPER ALLOY BODY
STYL STYLE DESIGNATOR ERR-090
MATT MATERIAL NICKEL ALLOY SEAT
ADSU DISK LOADING METHOD SPRING
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
AHNC CONNECTION STYLE STREAMLINED WITH ONE BRAZING RING (TUBE) ERR-100
CQGM MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQCY ADJUSTABLE PRESSURE RANGE +10.0/+12.0 POUNDS PER SQUARE INCH

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