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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
CWCR SECOND CONNECTION FACE TO CENTERLINE DISTANCE 5.438 INCHES
CWDF FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
CWDL RAISED FACE NOMINAL DIAMETER 3.625 INCHES 1ST END
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
CWDL RAISED FACE NOMINAL DIAMETER 2.875 INCHES 2ND END
CWCL FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.438 INCHES
ADST BONNET ATTACHMENT METHOD BOLTED
AQLR VALVE OPERATION METHOD AUTOMATIC
CWCD NOMINAL OUTSIDE DIAMETER 6.000 INCHES 1ST END
CSDC OPENING PRESSURE SETTING 475.0 POUNDS PER SQUARE INCH
ADQU FLOW CONTROL DEVICE DISK
CWCD NOMINAL OUTSIDE DIAMETER 6.125 INCHES 2ND END
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
CWCT BOLT CIRCLE NOMINAL DIAMETER 4.500 INCHES 2ND END
STYL STYLE DESIGNATOR ERR-090
CWCQ BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 1ST END
CWCQ BOLT HOLE NOMINAL DIAMETER 0.875 INCHES 2ND END
CQGM MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATT MATERIAL NICKEL ALLOY SEAT
MATT MATERIAL STEEL BODY
CWCK NOMINAL THICKNESS 0.812 INCHES 2ND END
CCFG VALVE SIZE 1.500 INCHES
CWDH RAISED FACE NOMINAL HEIGHT 0.062 INCHES ALL ENDS
MEDA MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
AECS BOLT HOLE QUANTITY 4 ALL ENDS
CWCK NOMINAL THICKNESS 0.625 INCHES 1ST END
CWCT BOLT CIRCLE NOMINAL DIAMETER 4.750 INCHES 1ST END

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