4820-01-221-4265 VALVE,CHECK Index 4820-01-221-4270 VALVE,BALL

National Stock Number:
4820-01-221-4268

Federal Supply Class:
4820

National Item Identification Number:
012214268

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:
280085 ITEM 399657MAROTTA CONTROLS INC
280298-0399657MAROTTA CONTROLS INC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+20.0 TO 50.0 POUNDS PER SQUARE INCH
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS3651 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 464 BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORANGLE


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