4820-01-367-4772 VALVE,SAFETY RELIEF Index 4820-01-367-4774 VALVE,BUTTERFLY

National Stock Number:
4820-01-367-4773

Federal Supply Class:
4820

National Item Identification Number:
013674773

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:
199016497DRESSER, INC.
1990C-1-XSA1 .75IPS SET 660PSI16497DRESSER, INC.
3/4 19110MC-2-CC-MS-31-SW-SW-LA16497DRESSER, INC.


Techincal Specification:
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 COND T ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIALSTEEL COMP 316 BODY
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 410 STEM
MAXIMUM OPERATING TEMP2000.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 2ND RESPONSE
MINIMUM OPERATING TEMP-20.0 FAHRENHEIT
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES 1ST END
OPENING PRESSURE SETTING660.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESCARBON STEEL(PHOSPHATED)SPRING;ORIFICE AREA,0.110 SQ.IN.
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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