4820-01-391-0885 VALVE,CHECK Index 4820-01-391-0887 DISK,VALVE

National Stock Number:
4820-01-391-0886

Federal Supply Class:
4820

National Item Identification Number:
013910886

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:
BCSAA03SFF5P967DANTE VALVE COMPANY
BCSAA03SFF65079DANCO VALVE COMPANY
R10BG1G106-BS134889HUNT VALVE COMPANY INC
D52UU-03-1 1/465079DANCO VALVE COMPANY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+18.0/+22.0 POUNDS PER SQUARE INCH
CONNECTION STYLESOCKET WITH BRAZING RING ERR-100
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES ALL ENDS
MATERIALCOPPER ALLOY 922 BODY
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 SEAT
MATERIALSTEEL COMP 303 STEM
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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