4820-01-270-7850 VALVE,SAFETY RELIEF Index 4820-01-270-7852 VALVE,BALL

National Stock Number:
4820-01-270-7851

Federal Supply Class:
4820

National Item Identification Number:
012707851

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:
22-T8S-25A78357PARKER-HANNIFIN CORPORATION
RDV-22-T8S-25A78357PARKER-HANNIFIN CORPORATION


Techincal Specification:
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPISTON
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALRUBBER PACKING
MATERIALSTEEL FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
OPENING PRESSURE SETTING1500.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VALVE DISCHARGE FLOW RATE40.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC


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