4820-00-811-4869 VALVE,GATE Index 5310-00-811-4876 WASHER,FLAT

National Stock Number:
4820-00-811-4870

Federal Supply Class:
4820

National Item Identification Number:
008114870

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:
5177A-6EE-2191816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEFLARELESS (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING21.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY 2024 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALALUMINUM ALLOY 2024 SEAT
MAXIMUM OPERATING PRESSURE2400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDETHYLENE GLYCOL 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDNITROGEN, LIQUID 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH 4TH RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
SEAT ANGLE12.0 DEGREES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
SURFACE TREATMENTANODIZE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS


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