4820-01-284-5438 VALVE,SAFETY RELIEF Index 4820-01-284-5440 VALVE,PLUG

National Stock Number:
4820-01-284-5439

Federal Supply Class:
4820

National Item Identification Number:
012845439

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:
R10AJ2J2BM-BM311859HUNT VALVE COMPANY, INC.
R10AJ2J2BM-BM334889HUNT VALVE COMPANY INC


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.375 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.219 INCHES
VALVE SIZE2.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER5.562 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
BOLT HOLE QUANTITY6 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.438 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING122.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE18.0 TO 26.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 LEVER


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