4820-01-254-1509 VALVE,SAFETY RELIEF Index 4820-01-254-1511 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-254-1510

Federal Supply Class:
4820

National Item Identification Number:
012541510

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:
5133T-16TB-2091816CIRCOR AEROSPACE, INC.


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL CORROSION RESISTING BODY
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
CARBON DIOXIDE 2ND RESPONSE
REFRIGERANT 12 3RD RESPONSE
REFRIGERANT 22 4TH RESPONSE
OXYGEN, GASEOUS 5TH RESPONSE
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-40.0 DEG FAHRENHEIT 1ST RESPONSE
250.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED INTERNAL BOSS 2ND END
CONNECTION STYLEPLAIN (TUBE) 1ST END
GASKET SEAL(BOSS) 2ND END
THREAD SERIES DESIGNATORUNJ 1ST END
UN 2ND END
NOMINAL THREAD SIZE1.312 INCHES ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD CLASS3A 1ST END
3B 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH


Click here to Register for Free 30-day Trial