4820-01-325-8150 VALVE,CHECK Index 4820-01-325-8152 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-325-8151

Federal Supply Class:
4820

National Item Identification Number:
013258151

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:
1716C-1-596948KEPNER PRODUCTS CO
185865403956NORTHROP GRUMMAN SYSTEMS CORPORATION
1858654 ITEM 603956NORTHROP GRUMMAN SYSTEMS CORPORATION
1858654-603956NORTHROP GRUMMAN SYSTEMS CORPORATION
197762103956NORTHROP GRUMMAN SYSTEMS CORPORATION
1977621 ITEM 3803956NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
MATERIALSTEEL BODY
SURFACE TREATMENTCADMIUM
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
WATER, FRESH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT 1ST RESPONSE
300.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED INTERNAL TUBE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
FLARE (TUBE) 2ND END
SEAT ANGLE45.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES 2ND END
THREAD SERIES DESIGNATORUN ALL ENDS
NOMINAL THREAD SIZE1.313 INCHES ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD CLASS3A 1ST END
3B 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
OPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH


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