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National Stock Number:
4820-01-500-2453
Federal Supply Class:
4820
National Item Identification Number:
015002453
Description:
VALVE,RELIEF,PRESSURE AND TEMPER
Detail:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.
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Manufacturer Information:
| 577T4D1 | 91816 | CIRCOR AEROSPACE, INC. | | 924092 | 34228 | L3 TECHNOLOGIES, INC. |
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Techincal Specification:
| FIRST END STYLE DESIGNATOR | FLARED | | FLOW CONTROL DEVICE | POPPET | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 500 SERIES ADJUSTABLE POPOFF & INLINE RELIEF VALVE | | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL | STEEL COMP 303 BODY | | OPENING PRESSURE SETTING | 1.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | GOES ON PHOTONIC MAST. ADJUSTABLE CRACKING PRESSURE FACTORY PRE-SET @ 1PSI DESIGNED TO VENT TO ATOMOSPHERE. POLYTETRAFLUOROETHYLENE SEAL MATERIAL. END CONNECTION IS 1/4IN MALE STRAIGHT THREAD AS4395 (MS33656 WITH CONE POINT REMOVED- INLET ONLY). BURST DEFLECTION CAP NOT RECOMMENDED FOR CRACKING PRESSURES BELOW 2PSI. | | TEMP ADJUSTABILITY | NOT ADJUSTABLE | | TEMP RATING | 400.0 FAHRENHEIT AND -100.0 FAHRENHEIT |
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