4820-01-188-1778 VALVE,SAFETY RELIEF Index 4820-01-188-1780 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-188-1779

Federal Supply Class:
4820

National Item Identification Number:
011881779

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:
1-1587-186768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
6532C414-136334INDAL TECHNOLOGIES INC.
665-13-4D209990PARKER-HANNIFIN CORPORATION
6532C414-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
665-13-4D286768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING TEMP-40.0 DEG FAHRENHEIT 1ST RESPONSE
250.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED4.000 INCHES 1ST END
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES 1ST END
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND 1ST END
ADJUSTABLE PRESSURE RANGE3000.0 TO 3600.0 POUNDS PER SQUARE INCH


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