NATO Stock Number
4820-01-289-0977
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
100.0 degrees fahrenheit 2nd response
Maximum Operating Temp
550.0 degrees fahrenheit 1st response
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Bonnet packing
Valve Size
2.500 inches
Maximum Operating Pressure
150.0 pounds per square inch 1st response
Maximum Operating Pressure
250.0 pounds per square inch 2nd response
Outside Diameter
7.000 inches all ends
Thickness
0.688 inches all ends
First Connection Face To Centerline Distance
4.250 inches
Bolt Hole Diameter
0.750 inches all ends
Second Connection Face To Centerline Distance
4.250 inches
Bolt Circle Diameter
5.500 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
4.125 inches all ends
Material
Copper alloy 694 stem
Material
Copper alloy 922 flow control device
Material
Copper alloy 922 seat
Material
Iron cast uns f32800 body
Material
Plastic polytetrafluoroethylene packing
Material Specification
Astm a-395 assn standard single material response body
Material Specification
Astm b-371 alloy c69400 assn standard single material response stem
Material Specification
Astm b-61 assn standard single material response seat
Material Specification
Astm b-61 assn standard single material response flow control device
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Supplementary Features
This item has been reviewed for asbestos material; the current approved sources, 12168 have indicated their part number contained asbestos prior to 1984, they continue to manufacture rhe same part number without asbestos material after 1984
Furnished Items And Quantity
1 handwheel
