4820-00-273-9902 VALVE,CHECK Index 4820-00-273-9904 VALVE,CHECK

National Stock Number:
4820-00-273-9903

Federal Supply Class:
4820

National Item Identification Number:
002739903

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:
307237239LUNKENHEIMER CO
5344F63686THE WALWORTH COMPANY


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER3.000 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE11.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL UNS J03002 BODY
MATERIALSTEEL UNS J03002 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP750.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH THIRD RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER7.500 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES ALL ENDS
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER4.125 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
SPECIAL FEATURESSWING CHECK TYPE
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
TEST DATA DOCUMENT05047-ASAB16.5 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).


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