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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
CWDF FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
AEHZ MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
AWLS CONNECTION TYPE FLANGE ALL ENDS
ADSR BONNET TYPE INSIDE SPRING
ARKN FLANGE SHAPE ROUND WITH HOLES ALL ENDS
CWCQ BOLT HOLE NOMINAL DIAMETER 0.500 INCHES ALL ENDS
MATT MATERIAL STEEL CORROSION RESISTING STEM
ADST BONNET ATTACHMENT METHOD BOLTED
AQLR VALVE OPERATION METHOD AUTOMATIC
CWDL RAISED FACE NOMINAL DIAMETER 1.688 INCHES ALL ENDS
TMQY FURNISHED ITEMS AND QUANTITY 1 LEVER
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
CQCY ADJUSTABLE PRESSURE RANGE +365.0/+400.0 POUNDS PER SQUARE INCH
STYL STYLE DESIGNATOR ERR-090
MATT MATERIAL NICKEL ALLOY SEAT
CWCT BOLT CIRCLE NOMINAL DIAMETER 2.750 INCHES ALL ENDS
MATT MATERIAL STEEL BODY
CWCD NOMINAL OUTSIDE DIAMETER 3.875 INCHES ALL ENDS
ADSU DISK LOADING METHOD SPRING
CWDH RAISED FACE NOMINAL HEIGHT 0.062 INCHES ALL ENDS
CQGM MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDA MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
CWCL FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.672 INCHES
AECS BOLT HOLE QUANTITY 4 ALL ENDS
CWCR SECOND CONNECTION FACE TO CENTERLINE DISTANCE 3.672 INCHES
CWCK NOMINAL THICKNESS 0.500 INCHES ALL ENDS
CCFG VALVE SIZE 0.750 INCHES

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