4820-01-044-7554 VALVE,GLOBE Index 4820-01-044-7557 VALVE,BALL

National Stock Number:
4820-01-044-7556

Federal Supply Class:
4820

National Item Identification Number:
010447556

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
11W202 1-1/4X1-75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
11W202 1-1/4X1-1/2 IN01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
3800193580ATF2L & L BOILER MAINTENANCE INC
38001935854108D & J PARTS INC
11W202 1-1/4X1-1/2 IN75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
RENEWABLE SEAT RING TYPETHREADED
SPECIAL FEATURESMANUAL RELEASE LEVER
VALVE OPERATION METHODAUTOMATIC
VALVE DISCHARGE FLOW RATE23.5 GALLONS PER MINUTE
STYLE DESIGNATORANGLE
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 01343, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
DISK LOADING METHODSPRING
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALIRON CAST BODY
MATERIALSTEEL STEM
MATERIALSTEEL SEAT
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
NOMINAL THREAD SIZE1.250 INCHES 1ST END
NOMINAL THREAD SIZE1.500 INCHES 2ND END
OPENING PRESSURE SETTING150.0 POUNDS PER SQUARE INCH


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