4820-01-258-2697 VALVE,SAFETY RELIEF Index 4820-01-258-2699 VALVE,PLUG

National Stock Number:
4820-01-258-2698

Federal Supply Class:
4820

National Item Identification Number:
012582698

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:
D5055934889HUNT VALVE COMPANY INC
D50559 AND R10AK3K3AE-BM311859HUNT VALVE COMPANY, INC.
D50559 AND R10AK3K3AE-BM334889HUNT VALVE COMPANY INC
R10AK3K3AE-BM334889HUNT VALVE COMPANY INC


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.687 INCHES ALL ENDS
BOLT HOLE QUANTITY6 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODWEIGHT
FURNISHED ITEMS AND QUANTITY1 LEVER
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.500 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-271 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES ALL ENDS
NOMINAL THICKNESS0.937 INCHES ALL ENDS
OPENING PRESSURE SETTING140.0 POUNDS PER SQUARE INCH
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES


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