4820-00-203-7911 VALVE,SAFETY RELIEF Index 5845-00-203-7915 ROLLER,TABLE

National Stock Number:
4820-00-203-7912

Federal Supply Class:
4820

National Item Identification Number:
002037912

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:
5S1166ALT9AND5S1179ALT8AND5S128-80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC OR
MANUAL
MATERIALCOPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
COPPER ALLOY STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE8.000 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE8.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER10.125 INCHES 1ST END
NOMINAL THICKNESS0.562 INCHES 1ST END
BOLT HOLE QUANTITY12 1ST END
BOLT HOLE NOMINAL DIAMETER0.688 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER8.875 INCHES 1ST END
FLANGE FACE DESIGNPLAIN 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING2.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELR NO.
EXTRA LONG REFERENCE NUMBER5S1166ALT9AND5S1179ALT8AND5S1287ALT2
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCE5S1166ALT9AND5S1179ALT8AND5S128-


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