4820-01-050-2818 VALVE,SAFETY RELIEF Index 8115-01-050-2820 BOX,SHIPPING

National Stock Number:
4820-01-050-2819

Federal Supply Class:
4820

National Item Identification Number:
010502819

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:
2031501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20315LS51SS01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20315LS51SS15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
MIL-V-2254981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+76.0 TO 90.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351,GRADE CF8 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALSTEEL BODY
MATERIALSTEEL COMP 303 AND PLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 SEAT
MATERIALSTEEL COMP 303 STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL THREAD SIZE2.250 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA1500 RATING AND 1.000 IN. SIZE
RENEWABLE SEAT RING TYPETHREADED
SPECIFICATION/STANDARD DATA81349-MIL-V-22549 GOVERNMENT SPECIFICATION
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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