4820-00-102-9718 VALVE,GLOBE Index 5330-00-102-9721 GASKET SET

National Stock Number:
4820-00-102-9720

Federal Supply Class:
4820

National Item Identification Number:
001029720

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:
D559T16D491816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 303/SAE 30303 FED STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL COMP 303 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 303 SEAT
NOMINAL THREAD SIZE1.312 INCHES 1ST END
OPENING PRESSURE SETTING4.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORUN 1ST END
THREAD QUANTITY PER INCH12 1ST END
VALVE OPERATION METHODAUTOMATIC


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