4820-01-127-3840 VALVE,SAFETY RELIEF Index 4820-01-127-3843 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-127-3841

Federal Supply Class:
4820

National Item Identification Number:
011273841

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:
865201343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8652D51SS01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8652D51SS15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+5.0 TO 270.0 POUNDS PER SQUARE INCH
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL BODY
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 SEAT
MAXIMUM OPERATING PRESSURE270.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
RENEWABLE SEAT RING TYPETHREADED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.500 INCHES


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