4820-00-287-4642 VALVE,SAFETY RELIEF Index 4820-00-287-4670 VALVE,FLOAT

National Stock Number:
4820-00-287-4644

Federal Supply Class:
4820

National Item Identification Number:
002874644

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:
1806 1-2-136-16938056ASHCROFT INC
1806CCU38056ASHCROFT INC
20058Q51M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20058Q51M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
5119-4824-3801PC1T0-1653711NAVAL SEA SYSTEMS COMMAND
3076-10ALT10PCV4996169ELECTRIC BOAT CORPORATION
FIG1251 1/2IN01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
FIG1251 1/2IN15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
R6309HHPC1T01638056ASHCROFT INC
S4824H3163773PC1T01853711NAVAL SEA SYSTEMS COMMAND
5119-4824-3801PC1T01653711NAVAL SEA SYSTEMS COMMAND
5119-4824-3801PC1T01680064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000250ALT10PC4980064NAVAL SHIP SYSTEMS COMMAND
5119-4824-3801PC1T0-1680064NAVAL SHIP SYSTEMS COMMAND
S4824H3163773PC1T01880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+136.0 TO 169.0 POUNDS PER SQUARE INCH
CONNECTION STYLESOCKET (TUBE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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