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:
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN
FLOW CONTROL DEVICESTEM
MAXIMUM OPERATING PRESSURE3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED INTERNAL PIPE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
PLAIN,OPTIONAL END(PIPE) 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
0.250 INCHES 2ND END
THREAD CLASS2A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODINTEGRAL


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