4820-01-169-1938 VALVE,GATE Index 4820-01-169-1940 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-169-1939

Federal Supply Class:
4820

National Item Identification Number:
011691939

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:
803-438453653711NAVAL SEA SYSTEMS COMMAND
803-4384536-45A80064NAVAL SHIP SYSTEMS COMMAND
803-4384536-45A253711NAVAL SEA SYSTEMS COMMAND
803-4384536-45A2AF53711NAVAL SEA SYSTEMS COMMAND
803-4384536-45A2AF80064NAVAL SHIP SYSTEMS COMMAND
803-4384536-45AXAF80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BONNET ATTACHMENT METHODUNION
BONNET TYPEINSIDE SCREW
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
FLOW CONTROL DEVICESTEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE425.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
SPECIAL FEATURESWITH ETHYLENE PROPYLENE RUBBER O-RING
STYLE DESIGNATORSTRAIGHT THRU
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 53711, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODMANUAL


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