4810-00-202-8380 VALVE,SAFETY RELIEF Index 4820-00-202-8389 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-202-8386

Federal Supply Class:
4820

National Item Identification Number:
002028386

Description:
VALVE,REGULATING,FLUID PRESSURE

Detail:
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.


Manufacturer Information:
3490586184GRISWOLD INDUSTRIES
34905A86184GRISWOLD INDUSTRIES
C312286184GRISWOLD INDUSTRIES


Techincal Specification:
MAXIMUM INLET PRESSURE RATING125.0 POUNDS PER SQUARE INCH
FILTERNOT INCLUDED
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
MATERIALCOPPER ALLOY BODY
OUTLET PRESSURE RANGE25.0 TO 100.0 POUNDS PER SQUARE INCH
SEAT MATERIALNICKEL COPPER ALLOY
FLOW CONTROL DEVICEDISK, BOTTOM GUIDED AND
DISK, TOP GUIDED
FLOW CONTROL DEVICE MATERIALNONMETALLIC
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATORSTREAMLINED WITH ONE BRAZING RING
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MEDIA FOR WHICH DESIGNEDFLUID, PETROLEUM BASE
RENEWABLE SEAT RING TYPETHREADED
REGULATION TYPEMANUAL SINGLE STAGE
MANUAL CONTROL METHODWHEEL
VALVE STEM DESIGNSINGLE SEAT
VALVE LOADING METHODSPRING


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