4820-00-953-1220 VALVE,CHECK Index 6210-00-953-1225 LENS,LIGHT

National Stock Number:
4820-00-953-1221

Federal Supply Class:
4820

National Item Identification Number:
009531221

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
159X14959CRANE CO DIV VALVE DIV
159X-2IN14959CRANE CO DIV VALVE DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE10.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTMALB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY BODY
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP850.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER6.500 INCHES ALL ENDS
NOMINAL THICKNESS0.875 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER3.625 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC


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