4820-01-022-1369 VALVE,STOP-CHECK Index 4810-01-022-1371 VALVE,SOLENOID

National Stock Number:
4820-01-022-1370

Federal Supply Class:
4820

National Item Identification Number:
010221370

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:
638XB-3-6-109990PARKER-HANNIFIN CORPORATION
638XB-3-6-186768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
PWA5198477445RTX CORPORATION
PWA51984-1677445RTX CORPORATION


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+40.0/+125.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEPLAIN (PIPE) 2ND END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-1149,TYPE 2,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 360 BODY
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP-65.0 DEG FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
OPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES 1ST END
VALVE OPERATION METHODAUTOMATIC
VALVE DISCHARGE FLOW RATE35.0 CUBIC FEET PER MINUTE
STYLE DESIGNATORANGLE
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORANPT 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END


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