4220-00-744-1248 VALVE,DIVER'S CONSTANT RESERVE Index 4820-00-744-1251 DIAPHRAGM,ACTUATOR VALVE,SPECIAL

National Stock Number:
4820-00-744-1249

Federal Supply Class:
4820

National Item Identification Number:
007441249

Description:
VALVE,EXPANSION

Detail:
A SELF-ACTING VALVE SPECIFICALLY DESIGNED FOR USE IN REFRIGERATION SYSTEMS FOR CONTINUAL CONTROL OF RATE OF FLOW OF REFRIGERANT. IT MAY BE ACTUATED BY A THERMOSTATIC ELEMENT OR SELF-ACTUATED.


Manufacturer Information:
DA869P75SEMUEM21013METREX VALVE CORP.


Techincal Specification:
BODY MATERIALBRONZE
BODY STYLESTRAIGHT THRU
VALVE EQUALIZER LOCATIONINTERNAL
VALVE EXPANSION CONTROL TYPEPRESSURE
VALVE PRESSURE LIMITING DEVICEINCLUDED
FLOW CONTROL DEVICEDIAPHRAGM
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPEUNTHREADED INTERNAL TUBE
FIRST END STYLE DESIGNATORSOCKET
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.875 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END CONNECTION TYPETHREADED INTERNAL PIPE
SECOND END STYLE DESIGNATORPLAIN
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES
SECOND END THREAD DIRECTIONRIGHT-HAND
MEDIA FOR WHICH DESIGNEDWATER, SALT
VALVE PRESSURE LIMITING DEVICE RANGE105.0 TO 160.0 POUNDS PER SQUARE INCH ABSOLUTE


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