4820-00-288-6924 VALVE,SAFETY RELIEF Index 4820-00-288-6926 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-288-6925

Federal Supply Class:
4820

National Item Identification Number:
002886925

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:
A3414715187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
H317676180064NAVAL SHIP SYSTEMS COMMAND
H3176761REVD80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+641.0 TO 700.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.875 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER7.125 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES SECOND END
BOLT HOLE QUANTITY9 SECOND END
BOLT HOLE QUANTITY8 FIRST END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIALSTEEL BODY
MAXIMUM OPERATING TEMP750.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER7.500 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER8.688 INCHES SECOND END
NOMINAL THICKNESS0.875 INCHES SECOND END
NOMINAL THICKNESS1.125 INCHES FIRST END
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER0.500 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.500 INCHES FIRST END
VALVE DISCHARGE FLOW RATE90209.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


Click here to Register for Free 30-day Trial