D49671
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A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.
disk flow control device, spring disk loading method, 4 all ends bolt hole quantity, inside spring bonnet type, threaded bonnet attachment method
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
- inside spring
- Bonnet Attachment Method
- threaded
- Disk Loading Method
- spring
- Bolt Hole Quantity
- 4 all ends
- Maximum Operating Temp
- 400.0 fahrenheit single response
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 0.750 inches
- Adjustable Pressure Range
- +48.0 to 59.0 pounds per square inch
- Maximum Operating Pressure
- 1440.0 pounds per square inch single response
- Nominal Outside Diameter
- 3.875 inches 2nd end
- Nominal Outside Diameter
- 4.250 inches 1st end
- Nominal Thickness
- 0.500 inches 2nd end
- Nominal Thickness
- 0.562 inches 1st end
- First Connection Face To Centerline Distance
- 3.672 inches
- Bolt Hole Nominal Diameter
- 0.625 inches all ends
- Second Connection Face To Centerline Distance
- 3.672 inches
- Bolt Circle Nominal Diameter
- 2.750 inches 2nd end
- Bolt Circle Nominal Diameter
- 3.125 inches 1st end
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches all ends
- Raised Face Nominal Diameter
- 1.688 inches 2nd end
- Raised Face Nominal Diameter
- 2.000 inches 1st end
- Material
- nickel alloy flow control device
- Material
- steel body
- Material
- steel comp 303 stem
- Media For Which Designed
- water-oil-gas single response
- Style Designator
- angle flanged ends
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 |
|---|---|
| D49671 | Safety Relief Valve |
| D49671 PART R10AE5F511-CM1 | Safety Relief Valve |
| R10AE5F511-CM1 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-261-1681?
Does the NSN 4820-01-261-1681 have a Schedule B code assigned?
Does NSN 4820-01-261-1681 require demilitarization?
Does NSN 4820-01-261-1681 contain precious materials?
Does NSN 4820-01-261-1681 contain hazardous materials?
When the NSN 4820-01-261-1681 was assigned to the Federal Catalog?
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