4820-01-289-1519 VALVE,CHECK Index 4820-01-289-1521 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-289-1520

Federal Supply Class:
4820

National Item Identification Number:
012891520

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:
593-1/2IN63220FLOWSERVE INC


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER2.625 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE6.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEPISTON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL UNS K03504 BODY
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP1000.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE105.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE1480.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER3.750 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER1.375 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.250 INCHES ALL ENDS
SPECIAL FEATURESPISTON CHECK TYPE; INTEGRAL HARD FACED SEAT; CONVENTIONAL PORT; CHROME TRIM
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.500 INCHES


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