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National Stock Number:
4820-01-201-8121
Federal Supply Class:
4820
National Item Identification Number:
012018121
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:
| 9672-291FF20-25PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | 9672C91SS | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
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Techincal Specification:
| FLOW CONTROL DEVICE | STEM AND INTEGRAL DISK | | BODY MATERIAL | STEEL | | SEAT MATERIAL | STEEL | | FLOW CONTROL DEVICE MATERIAL | STEEL | | STEM MATERIAL | STEEL | | MEDIA FOR WHICH DESIGNED | WATER, FRESH | | ADJUSTABLE PRESSURE RANGE | 16.0 TO 21.0 POUNDS PER SQUARE INCH |
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