4820-00-019-3808 VALVE,SAFETY RELIEF Index 4820-00-019-3823 VALVE,SHUT OFF

National Stock Number:
4820-00-019-3809

Federal Supply Class:
4820

National Item Identification Number:
000193809

Description:
VALVE,Y

Detail:
A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION THAT PROVIDES UNOBSTRUCTED FLUID FLOW. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS DISK PERPENDICULARLY OFF CENTER AXIS OF ITS SEAT. THE STEM IS AT ANGLE OF LESS THAN 90 DEGREES (1.5708 RADIANS) TO PARALLEL INLET AND OUTLET FLOW. IT MAY UTILIZE A DIAPHRAGM AS PACKING. EXCLUDES VALVE, STOP-CHECK.


Manufacturer Information:
MC765776050EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING


Techincal Specification:
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SCREW
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
FLOW CONTROL DEVICESTEM
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES SECOND END
OPERATING PRESSURE3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN
THREAD CLASS2A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORNPT SECOND END
THREAD SERIES DESIGNATORUNF FIRST END


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