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National Stock Number:
4820-01-501-3110
Federal Supply Class:
4820
National Item Identification Number:
015013110
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.
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Manufacturer Information:
| 20107 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP | | 20107 ASSY E20109D51M | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP | | E20109D51M | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | BRONZE BODY | | NICKEL ALLOY SEAT | | NICKEL ALLOY STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY | | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | BOLTED | | DISK LOADING METHOD | SPRING | | ADJUSTABLE PRESSURE RANGE | 20.0 TO 24.0 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 1/2" RELIEF VALVE TYPE 1551-T |
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