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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
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
AWLS CONNECTION TYPE FLANGE ALL ENDS
ADSR BONNET TYPE INSIDE SPRING
AEHZ MAXIMUM OPERATING TEMP 425.0 DEG FAHRENHEIT SINGLE RESPONSE
ARKN FLANGE SHAPE ROUND WITH HOLES ALL ENDS
MATT MATERIAL STEEL CORROSION RESISTING STEM
CWCR SECOND CONNECTION FACE TO CENTERLINE DISTANCE 7.688 INCHES
ADST BONNET ATTACHMENT METHOD BOLTED
AQLR VALVE OPERATION METHOD AUTOMATIC
AECS BOLT HOLE QUANTITY 8 2ND END
CWDF FLANGE FACE DESIGN PLAIN ALL ENDS
AECS BOLT HOLE QUANTITY 12 1ST END
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
CWCL FIRST CONNECTION FACE TO CENTERLINE DISTANCE 8.000 INCHES
MATT MATERIAL COPPER ALLOY BODY
CWCK NOMINAL THICKNESS 1.250 INCHES 2ND END
STYL STYLE DESIGNATOR ERR-090
CWCK NOMINAL THICKNESS 1.438 INCHES 1ST END
MATT MATERIAL NICKEL ALLOY SEAT
CCFG VALVE SIZE 4.000 INCHES
CWCT BOLT CIRCLE NOMINAL DIAMETER 7.875 INCHES 2ND END
CWCQ BOLT HOLE NOMINAL DIAMETER 0.875 INCHES ALL ENDS
CWCT BOLT CIRCLE NOMINAL DIAMETER 10.625 INCHES 1ST END
CQCY ADJUSTABLE PRESSURE RANGE +59.0/+72.0 POUNDS PER SQUARE INCH
CWCD NOMINAL OUTSIDE DIAMETER 12.500 INCHES 1ST END
MEDA MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
CQGM MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CWCD NOMINAL OUTSIDE DIAMETER 10.000 INCHES 2ND END

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