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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
CWCQ BOLT HOLE NOMINAL DIAMETER 0.625 INCHES ALL ENDS
ADSR BONNET TYPE INSIDE SCREW
AEHZ MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
AWLS CONNECTION TYPE FLANGE ALL ENDS
ARKN FLANGE SHAPE ROUND WITH HOLES ALL ENDS
MATT MATERIAL STEEL CORROSION RESISTING STEM
CWCD NOMINAL OUTSIDE DIAMETER 7.500 INCHES ALL ENDS
ADST BONNET ATTACHMENT METHOD BOLTED
AQLR VALVE OPERATION METHOD AUTOMATIC
CWDF FLANGE FACE DESIGN PLAIN ALL ENDS
TMQY FURNISHED ITEMS AND QUANTITY 1 LEVER
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
MATT MATERIAL COPPER ALLOY BODY
CWCK NOMINAL THICKNESS 0.437 INCHES ALL ENDS
STYL STYLE DESIGNATOR ERR-090
CQGM MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATT MATERIAL NICKEL ALLOY SEAT
CWCR SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.750 INCHES
ADSU DISK LOADING METHOD SPRING
CCFG VALVE SIZE 1.500 INCHES
CWCT BOLT CIRCLE NOMINAL DIAMETER 3.875 INCHES ALL ENDS
CWCL FIRST CONNECTION FACE TO CENTERLINE DISTANCE 4.750 INCHES
CQCY ADJUSTABLE PRESSURE RANGE +59.0/+72.0 POUNDS PER SQUARE INCH
AECS BOLT HOLE QUANTITY 4 ALL ENDS
CSDC OPENING PRESSURE SETTING 72.0 POUNDS PER SQUARE INCH

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