NS72104CB20 ITEM 21F-CB2
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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.
8 all ends bolt hole quantity, disk flow control device, 800.0 fahrenheit single response maximum operating temp, bolted bonnet attachment method, outside screw-yoke bonnet type
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Flow Control Device
- disk
- Bonnet Type
- outside screw-yoke
- Bonnet Attachment Method
- bolted
- Bolt Hole Quantity
- 8 all ends
- Maximum Operating Temp
- 800.0 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
- 4.000 inches
- Maximum Operating Pressure
- 285.0 pounds per square inch single response
- Nominal Outside Diameter
- 9.000 inches all ends
- Face To Face Distance
- 11.500 inches
- Nominal Thickness
- 0.940 inches all ends
- Bolt Hole Nominal Diameter
- 0.750 inches all ends
- Bolt Circle Nominal Diameter
- 7.500 inches all ends
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches
- Raised Face Nominal Diameter
- 6.190 inches
- Material
- steel comp 410 flow control device
- Material
- steel uns j03002 body
- Material
- steel uns k91151 seat
- Material
- steel uns k91151 stem
- Material Document And Classification
- astm a276, gr 410 assn std single material response flow control device
- Material Document And Classification
- astm a182, gr f6a assn std single material response seat
- Material Document And Classification
- astm a182, gr f6a assn std single material response stem
- Material Document And Classification
- astm a216, gr wcb assn std single material response body
- Style Designator
- straight thru flanged ends
- Furnished Items And Quantity
- 1 handwheel
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 21F-CB2 4IN AND NS72104CB20 | Globe Valve |
| NS72104CB20 ITEM 21F-CB2 | Globe Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-311-3122?
Does the NSN 4820-01-311-3122 have a Schedule B code assigned?
Does NSN 4820-01-311-3122 require demilitarization?
Does NSN 4820-01-311-3122 contain precious materials?
Does NSN 4820-01-311-3122 contain hazardous materials?
When the NSN 4820-01-311-3122 was assigned to the Federal Catalog?
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