4820-01-221-7742 COCK,DRAIN Index 5340-01-221-7744 COVER,ACCESS

National Stock Number:
4820-01-221-7743

Federal Supply Class:
4820

National Item Identification Number:
012217743

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:
1308C-196948KEPNER PRODUCTS CO
51J5232Y614LINK-BELT CRANES, L.P., LLLP


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL BODY
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH THIRD RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES ALL ENDS
SPECIAL FEATURESCRACKING PRESSURE 1.0-2.0 PSI
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTCADMIUM
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH16 ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS


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