3040-01-385-9136 WEIGHT,COUNTERBALANCE Index 4820-01-385-9138 RETAINER,DISK,VALVE

National Stock Number:
4820-01-385-9137

Federal Supply Class:
4820

National Item Identification Number:
013859137

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:
19110LC-2-SW-SW (.75)1NNX5VALVE SERVICES GROUP
199016497DRESSER, INC.
1990C-3/4X1 SET 90PSI16497DRESSER, INC.
31511316497DRESSER, INC.
PL-9118-1262-00080871GEA WESTFALIA SEPARATOR INC. DIV GEA WESTFALIA SEPARATOR INC.


Techincal Specification:
CONNECTION STYLESOCKET ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
OPERATING PRESSURE2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 COND T ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALSTEEL COMP 316 BODY
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 410 STEM
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
MINIMUM OPERATING TEMP-20.0 FAHRENHEIT
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES FIRST END
OPENING PRESSURE SETTING90.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESCARBON STEEL(PHOSPHATED)SPRING;ORIFICE AREA 0.110 SQ.IN.
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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