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


Click here to Register for Free 30-day Trial