6680-00-781-7457 GEAR AND WIPER SUBASSEMBLY Index 4820-00-781-7459 VALVE,CHECK

National Stock Number:
4820-00-781-7458

Federal Supply Class:
4820

National Item Identification Number:
007817458

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:
404LFTX6D386768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
ALUMINUM ALLOY SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEBALL
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP350.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
PLAIN (PIPE) 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
0.250 INCHES 2ND END
THREAD QUANTITY PER INCH18 1ST END
18 2ND END
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING3.0 POUNDS PER SQUARE INCH


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