4810-00-332-8425 VALVE,LINEAR,DIRECTIONAL CONTROL Index 5835-00-332-8428 CONSOLE,AUDIO REPRO

National Stock Number:
4820-00-332-8426

Federal Supply Class:
4820

National Item Identification Number:
003328426

Description:
VALVE,LIFT-CHECK

Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.


Manufacturer Information:
4-1053-1-292003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
667707-1098897LOCKHEED MARTIN CORP


Techincal Specification:
BONNET TYPEINSIDE SCREWINSIDE SCREW
BONNET ATTACHMENT METHODTHREADEDTHREADED
CONNECTION STYLEGASKET SEAL (BOSS) FIRST ENDGASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST ENDTHREADED INTERNAL BOSS FIRST END
DISK LOADING METHODSPRINGSPRING
FEATURES PROVIDEDBONNET PACKINGBONNET PACKING
FLOW CONTROL DEVICEDISKDISK
MATERIALALUMINUM ALLOY SEATALUMINUM ALLOY BODY
MATERIALSTEEL FLOW CONTROL DEVICEALUMINUM ALLOY SEAT
MATERIALSTEEL STEMSTEEL FLOW CONTROL DEVICE
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE160.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL
NOMINAL THREAD SIZE0.750 INCHES FIRST END0.750 INCHES FIRST END
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURESHANDLE TURNS 90.0 DEG CW FOR OPEN POSITION
VALVE OPERATION METHODMANUALMANUAL
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD CLASS3B FIRST END3B FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD QUANTITY PER INCH16 FIRST END16 FIRST END
THREAD SERIES DESIGNATORUNF FIRST END


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