4820-01-201-8104 VALVE,SAFETY RELIEF Index 4820-01-201-8106 VALVE,BUTTERFLY

National Stock Number:
4820-01-201-8105

Federal Supply Class:
4820

National Item Identification Number:
012018105

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:
872501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
8725H91M 1IN01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
BRONZE STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
VALVE SIZE1.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER4.250 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
ADJUSTABLE PRESSURE RANGE90.0 TO 110.0 POUNDS PER SQUARE INCH


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