4820-00-287-3949 VALVE,GATE Index 4820-00-287-3953 VALVE,GATE

National Stock Number:
4820-00-287-3952

Federal Supply Class:
4820

National Item Identification Number:
002873952

Description:
VALVE,GATE

Detail:
A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.


Manufacturer Information:
0417 1-1/4 IN21368FAIRBANKS CO THE
164037239LUNKENHEIMER CO
FIG49014959CRANE CO DIV VALVE DIV
N0. 490 VALVE N.P.S. 1-1/4 IN.14959CRANE CO DIV VALVE DIV
1640-1 1/4 IN37239LUNKENHEIMER CO


Techincal Specification:
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODU-BOLT
CONNECTION TYPETHREADED INTERNAL PIPE
FEATURES PROVIDEDBONNET PACKING
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY 836 DISK
MATERIALCOPPER ALLOY 836 SEAT
MATERIALCOPPER ALLOY 836 STEM
MATERIALIRON CAST UNS F12102 BODY
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED450.0 POUNDS PER SQUARE INCH STEAM
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER-OIL-GAS
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES
NOMINAL THREAD SIZE1.250 INCHES
PRESSURE CLASS150.0 POUNDS
STEM TYPERISING
SPECIAL FEATURESSOLID WEDGE; TAPERED SEAT
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODMANUAL
VALVE SIZE1.250 INCHES


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