4820-00-554-9951 VALVE,SAFETY RELIEF Index 4820-00-554-9954 VALVE,GLOBE

National Stock Number:
4820-00-554-9953

Federal Supply Class:
4820

National Item Identification Number:
005549953

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:
120WSNICUTRIM63686THE WALWORTH COMPANY


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION STYLESTREAMLINED WITH TWO BRAZING RINGS ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
FEATURES PROVIDEDBONNET PACKING
FLOW CONTROL DEVICENEEDLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY 836 BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT 1ST RESPONSE150.0 FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL


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