4820-01-181-8486 VALVE,GATE Index 4820-01-181-8488 VALVE,GLOBE

National Stock Number:
4820-01-181-8487

Federal Supply Class:
4820

National Item Identification Number:
011818487

Description:
VALVE,GLOBE

Detail:
A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes VALVE, STOP-CHECK; COCK, SHUTOFF, SCREW STEM; and VALVE, SOLENOID.


Manufacturer Information:
245P 1 1-4IN63686THE WALWORTH COMPANY
H45WL6518063686THE WALWORTH COMPANY


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
STEEL COMP 420 FLOW CONTROL DEVICE
PLASTIC POLYTETRAFLUOROETHYLENE PACKING
STEEL COMP 420 SEAT
COPPER ALLOY 875 OR
COPPER ALLOY 697 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM TYPE 420 MOD. ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM TYPE 420 MOD. ASSN STD SINGLE MATERIAL RESPONSE SEAT
ASTM B198 ALLOY 875 ASSN STD SINGLE MATERIAL RESPONSE OR
ASTM B371 ALLOY 697 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 1ST RESPONSE
400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP550.0 DEG FAHRENHEIT 1ST RESPONSE
150.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE1.250 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODUNION
FEATURES PROVIDEDBONNET PACKING
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 63686 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984


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