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:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODMANUAL
MATERIALCOPPER ALLOY 464 BODY
STEEL COMP 303 FLOW CONTROL DEVICE
PLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
AMS3651 ASSN STD SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
ADJUSTABLE PRESSURE RANGE20.0 TO 50.0 POUNDS PER SQUARE INCH
THE MANUFACTURERS DATA
MANUFACTURERS CODE99657
DESIGN CONTROL REFERENCE280298-03


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