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


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