4820-00-835-3872 VALVE,SAFETY RELIEF Index 4820-00-835-3874 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-835-3873

Federal Supply Class:
4820

National Item Identification Number:
008353873

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:
516-031PCHPP7934293HUNTINGTON INGALLS INC
516-031PCHPP8334293HUNTINGTON INGALLS INC
8544PC1741TASSY01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
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9897-151-02PCHPP7996169ELECTRIC BOAT CORPORATION
9897-151-02PCHPP8396169ELECTRIC BOAT CORPORATION
E8544Y41B01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8544Y41B15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+400.0 TO 499.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES 1ST END
BOLT HOLE QUANTITY6 1ST END
CONNECTION TYPEFLANGE 1ST END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MATERIALCOPPER ALLOY BODY
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES 1ST END
NOMINAL THICKNESS0.500 INCHES 1ST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MFG SPEC TYPE A2,CLASS C,THIS VALVEEQUIPPED WITH GAG ASSY
SPECIAL FEATURESVALVE SZ 2.500 IN.
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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