4720-00-203-8011 HOSE ASSEMBLY,METALLIC Index 4240-00-203-8033 FILTER,GAS

National Stock Number:
4820-00-203-8030

Federal Supply Class:
4820

National Item Identification Number:
002038030

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:
D472937239LUNKENHEIMER CO


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+7.0 TO 25.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.375 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES SECOND END
BOLT HOLE QUANTITY4 SECOND END
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEEXPOSED SPRING
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.062 INCHES
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.500 INCHES SECOND END
NOMINAL THICKNESS0.438 INCHES SECOND END
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES FIRST END
NOMINAL THREAD SIZE1.500 INCHES FIRST END
RENEWABLE SEAT RING TYPETHREADED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE2.188 INCHES
SPECIAL FEATURESBOLT HOLES IN FLANGE TO STRADDLE CENTERLINES
VALVE OPERATION METHODAUTOMATIC OR MANUAL
STYLE DESIGNATORANGLE FLANGED ENDS
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD QUANTITY PER INCH11-1/2 FIRST END


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