4820-01-170-7046 VALVE,CHECK Index 4820-01-170-7048 VALVE,BALL

National Stock Number:
4820-01-170-7047

Federal Supply Class:
4820

National Item Identification Number:
011707047

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:
D4991534889HUNT VALVE COMPANY INC
R10AF2F208 27T33PSI D4991534889HUNT VALVE COMPANY INC
R10AF2F208-BM1 D4925411859HUNT VALVE COMPANY, INC.
R10AF2F208-BM1 D4925434889HUNT VALVE COMPANY INC


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
STEEL COMP 303 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.625 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.625 INCHES
VALVE SIZE1.000 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE400.0 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 DIAMETER4.250 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.120 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODTHREADED
ADJUSTABLE PRESSURE RANGE27.0 TO 33.0 POUNDS PER SQUARE INCH


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