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National Stock Number:
4820-01-530-1785
Federal Supply Class:
4820
National Item Identification Number:
015301785
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:
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | MANUAL | | MATERIAL | STEEL COMP 316 BODY | | STEEL COMP 316 FLOW CONTROL DEVICE | | RUBBER PACKING | | STEEL COMP 316 SEAT | | STEEL COMP 316 STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE BODY | | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE SEAT | | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE STEM | | FLOW CONTROL DEVICE | STEM | | MAXIMUM OPERATING PRESSURE | 8000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 70.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | RENEWABLE SEAT RING TYPE | BONDED | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | PRESSURE SEAL, RING TYPE |
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