4820-01-141-8846 VALVE,CHECK Index 1560-01-141-8849 DOOR,ACCESS,AIRCRAFT

National Stock Number:
4820-01-141-8847

Federal Supply Class:
4820

National Item Identification Number:
011418847

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:
20158 475T525PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20158 475T525PSI15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
5055RA140009 475T525PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
5055RA140009 475T525PSI15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
STEEL FLOW CONTROL DEVICE
STEEL COMP 416 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE10.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE9.438 INCHES
VALVE SIZE10.000 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER20.000 INCHES 1ST END
14.000 INCHES 2ND END
NOMINAL THICKNESS2.500 INCHES 1ST END
1.875 INCHES 2ND END
BOLT HOLE QUANTITY16 1ST END
12 2ND END
BOLT HOLE NOMINAL DIAMETER1.250 INCHES 1ST END
1.000 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER17.000 INCHES 1ST END
11.500 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
PLAIN 2ND END
RAISED FACE NOMINAL HEIGHT0.250 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER12.750 INCHES 1ST END
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE475.0 TO 525.0 POUNDS PER SQUARE INCH


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