4820-00-083-1262 VALVE,SAFETY RELIEF Index 1650-00-083-1264 PARTS KIT,BLEEDER VALVE

National Stock Number:
4820-00-083-1263

Federal Supply Class:
4820

National Item Identification Number:
000831263

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:
128SCH136-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
128SCH136-179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
A9029381982HYDRO-AIRE AEROSPACE CORP


Techincal Specification:
BONNET TYPEPACKING RETAINING
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE4500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS
OPENING PRESSURE SETTING3650.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE DISCHARGE FLOW RATE2.5 GALLONS PER MINUTE


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