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National Stock Number:
4820-01-346-3909
Federal Supply Class:
4820
National Item Identification Number:
013463909
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:
| 236308-0001 | 99657 | MAROTTA CONTROLS INC | | 283492-0002PC5 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| BODY MATERIAL | BRASS | | BODY STYLE | STRAIGHT THRU | | FLOW CONTROL DEVICE MATERIAL | COPPER ALLOY | | FLOW CONTROL DEVICE | POPPET | | PROPRIETARY CHARACTERISTICS | PACS | | MEDIA FOR WHICH DESIGNED | AIR OR NITROGEN | | OPENING PRESSURE SETTING | 400.0 POUNDS PER SQUARE INCH | | OUTSIDE SURFACE TREATMENT | ANY ACCEPTABLE | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION | | SEAT MATERIAL | PLASTIC, POLYTETRAFLUOROETHYLENE | | STEM MATERIAL | COPPER ALLOY |
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