NATO Stock Number
4820-01-276-1429
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Union
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
406.0 degrees fahrenheit single response
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Bonnet packing
Valve Size
0.500 inches
Maximum Operating Pressure
150.0 pounds per square inch 1st response
Maximum Operating Pressure
225.0 pounds per square inch 2nd response
Outside Diameter
3.500 inches all ends
Thickness
0.312 inches all ends
First Connection Face To Centerline Distance
2.188 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
2.188 inches
Bolt Circle Diameter
2.375 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy 694 stem
Material
Copper alloy 836 body
Material
Copper alloy 922 flow control device
Material
Plastic polytetrafluoroethylene packing
Material Specification
Astm b371 alloy 694 assn standard single material response stem
Material Specification
Astm b61 assn standard single material response flow control device
Material Specification
Astm b72 assn standard single material response body
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 source, 82666, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984
