6625-00-446-2781 MONITOR,COORDINATE DATA Index 4820-00-446-2790 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-446-2782

Federal Supply Class:
4820

National Item Identification Number:
004462782

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:
324965255380HATCH & KIRK, INC.
324965272915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
81125S41-21502ALT1PC153711NAVAL SEA SYSTEMS COMMAND
81127S41-26658ALT8PC1953711NAVAL SEA SYSTEMS COMMAND
81127S41-26658ALT8PC1980064NAVAL SHIP SYSTEMS COMMAND
81125S41-21502ALT1PC180064NAVAL SHIP SYSTEMS COMMAND
81127S41-27185ALT1PC553711NAVAL SEA SYSTEMS COMMAND
81127S41-27648PC1253711NAVAL SEA SYSTEMS COMMAND
81127S41-36146ALT2PC853711NAVAL SEA SYSTEMS COMMAND
N36146PC872915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
81127S41-36146ALT2PC880064NAVAL SHIP SYSTEMS COMMAND
81127S41-27648PC1280064NAVAL SHIP SYSTEMS COMMAND
81127S41-27185ALT1PC580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+31.0 TO 60.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDBONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL SINGLE RESPONSE
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
SPECIAL FEATURES1/64 IN. DRILL THROUGH DISK FOR CONTINUOUS CIRCULATION
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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