4820-01-128-2256 VALVE,SAFETY RELIEF Index 5930-01-128-2258 SWITCH,ROTARY

National Stock Number:
4820-01-128-2257

Federal Supply Class:
4820

National Item Identification Number:
011282257

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:
3,305,27780064NAVAL SHIP SYSTEMS COMMAND
853001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8530E41B01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8530E41B15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+25.0 TO 29.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY DR/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT 2ND RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES ALL ENDS
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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