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:
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEBALL
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP350.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL THREAD SIZE0.562 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES SECOND END
OPENING PRESSURE SETTING3.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3B FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 FIRST END
THREAD QUANTITY PER INCH18 SECOND END
THREAD SERIES DESIGNATORNPT SECOND END
THREAD SERIES DESIGNATORUNF FIRST END


Click here to Register for Free 30-day Trial