3120-01-097-8289 BEARING,WASHER,THRUST Index 4820-01-097-8291 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-097-8290

Federal Supply Class:
4820

National Item Identification Number:
010978290

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:
20212-101343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20212-115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20212-1HM41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20212-1HM41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
ASTM B164-61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-N-288,COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT
ASTM B164-61 ASSN STD SINGLE MATERIAL RESPONSE STEM
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES ALL ENDS
RENEWABLE SEAT RING TYPEPRESSED-IN
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE45.0 TO 55.0 POUNDS PER SQUARE INCH


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