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National Stock Number:
4820-01-289-3479
Federal Supply Class:
4820
National Item Identification Number:
012893479
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:
| 649XB-3-1/4-2 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT | | 649XB-3-4-2 | 09990 | PARKER-HANNIFIN CORPORATION | | 649XB-3-4-2 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +40.0 TO 125.0 POUNDS PER SQUARE INCH | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | | MATERIAL | STEEL COMP 303 BODY | | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 225.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, MINERAL BASE SECOND RESPONSE | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | OPERATING PRESSURE | 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
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