4820-01-012-9844 VALVE,CHECK Index 5930-01-012-9848 SWITCH,PRESSURE

National Stock Number:
4820-01-012-9846

Federal Supply Class:
4820

National Item Identification Number:
010129846

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:
649XB-3-6-209990PARKER-HANNIFIN CORPORATION
649XB3-6-286768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+40.0 TO 125.0 POUNDS PER SQUARE INCH
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALRUBBER SYNTHETIC SEAT
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS FIRST RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
OPENING PRESSURE SETTING90.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES ALL ENDS
VALVE DISCHARGE FLOW RATE5.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
SURFACE TREATMENTPASSIVATE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS


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