6520-00-689-3066 COVER,DENTAL TRAY Index 4820-00-689-3076 VALVE,CHECK

National Stock Number:
4820-00-689-3075

Federal Supply Class:
4820

National Item Identification Number:
006893075

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:
147X14959CRANE CO DIV VALVE DIV


Techincal Specification:
MATERIALSTEEL BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216,GR WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATORSTRAIGHT THRU
FACE TO FACE DISTANCE8.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP500.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER7.000 INCHES 1ST END
NOMINAL THICKNESS0.813 INCHES 1ST END
BOLT HOLE QUANTITY4 1ST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES 1ST END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER4.125 INCHES 1ST END
MOUNTING POSITIONHORIZONTAL
RENEWABLE SEAT RING TYPETHREADED
DISK LOADING METHODWEIGHT


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