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National Stock Number:
4930-01-532-5226
Federal Supply Class:
4930
National Item Identification Number:
015325226
Description:
VENT UNIT,RELIEF
Detail:
A SPRING LOADED DEVICE EQUIPPED WITH AUTOMATIC PRESSURE AND VACUUM RELIEF VALVES TO RELIEVE DRUM STRUCTURE OF EXCESSIVE VAPOR PRESSURE BUILD-UPS AND PROVIDE FOR VACUUM RELIEF TO FACILITATE LIQUID FLOW. IT ALSO SERVES AS A FILLING UNIT WITH REMOVABLE CAP WITH CHAIN ATTACHMENT.
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Manufacturer Information:
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Techincal Specification:
| COLOR | BLACK | | OVERALL DIAMETER | 2.000 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | VENT RELIEF, 2 INCH | | SPECIAL FEATURES | VENT CAP, PRESSURE RELIEF, 2 INCH NPT; SPRING LOADED EMERGENCY VENT OPTION 321; UNITS ARE FACTORY CALIBRATED TO OPEN AT 8 OZ OF INTERNAL TANK PRESSURE. |
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