4820-01-088-7459 VALVE,GLOBE Index 4820-01-088-7461 VALVE,BUTTERFLY

National Stock Number:
4820-01-088-7460

Federal Supply Class:
4820

National Item Identification Number:
010887460

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:
2003901343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
2003901S011115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20039H91SS01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20039H91SS15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.500 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.375 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
FLANGE FACE DESIGNRAISED WITH CURVE AND RADIUS ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5516,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALRUBBER SYNTHETIC PACKING
MATERIALSTEEL BODY
MATERIALSTEEL COMP 303 SEAT
MATERIALSTEEL COMP 303 STEM
MATERIALSTEEL FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.500 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
OPENING PRESSURE SETTING111.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER1.375 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
TEST DATA DOCUMENT81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).


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