4820-00-541-0452 VALVE,CHECK Index 4820-00-541-0454 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-541-0453

Federal Supply Class:
4820

National Item Identification Number:
005410453

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:
R33781833AEROCONTROLEX GROUP, INC.


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY OVERALL
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE16.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING16.0 POUNDS PER SQUARE INCH
THE MANUFACTURERS DATA
MANUFACTURERS CODE81833
DESIGN CONTROL REFERENCER337


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