4820-01-375-8019 VALVE,SAFETY RELIEF Index 4810-01-375-8021 VALVE,BUTTERFLY

National Stock Number:
4820-01-375-8020

Federal Supply Class:
4820

National Item Identification Number:
013758020

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:
BBSAA07SEE5P967DANTE VALVE COMPANY
BBSAA07SEE65079DANCO VALVE COMPANY
D100065079DANCO VALVE COMPANY
D51UU-07-1-165079DANCO VALVE COMPANY
D51UU-07-1IN65079DANCO VALVE COMPANY


Techincal Specification:
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE+110.0/+160.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ERR-100
FURNISHED ITEMS AND QUANTITY1 LEVER
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP200.0 DEG FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
SUPPLEMENTARY FEATURESFOR GAS SERVICE


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