|
|
|
National Stock Number:
4820-01-130-0654
Federal Supply Class:
4820
National Item Identification Number:
011300654
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.
|
Manufacturer Information:
| 411509-4 | 96214 | RAYTHEON COMPANY | | D559B-2M-20 | 91816 | CIRCOR AEROSPACE, INC. |
|
Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +0.5 TO 150.0 POUNDS PER SQUARE INCH | | CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | DISK LOADING METHOD | SPRING | | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING | | MAXIMUM OPERATING TEMP | -40.0 FAHRENHEIT FIRST RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN FIFTH RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 FOURTH RESPONSE | | MOUNTING FACILITY | THREADED FASTENER | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | MAX OPERTING PRESSURE AND TEMP,200 LB PSI,280 DEG F; DESIGNED FOR AIR,ALCOHOL,AMMONIA,HYDROCARBON FUEL/OIL,HELIUM,HYDROGEN,AND GASEOUS NITROGEN | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT FIRST END |
|
|