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:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 316 BODY
STEEL COMP 316 FLOW CONTROL DEVICE
STEEL COMP 410 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM A276 COND T ASSN STD SINGLE MATERIAL RESPONSE STEM
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
STEAM 2ND RESPONSE
MAXIMUM OPERATING PRESSURE2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES 1ST END
0.750 INCHES 2ND END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING90.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 LEVER
MINIMUM OPERATING TEMP-20.0 DEG FAHRENHEIT
SPECIAL FEATURESCARBON STEEL(PHOSPHATED)SPRING;ORIFICE AREA 0.110 SQ.IN.


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