4820-01-239-0177
Find complete technical information, availability, and procurement data for: 4820-01-239-0177
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A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.
inside spring bonnet type, 8 all ends bolt hole quantity, disk flow control device, spring disk loading method, bolted 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
- bolted
- Disk Loading Method
- spring
- Bolt Hole Quantity
- 8 all ends
- Maximum Operating Temp
- 180.0 fahrenheit single response
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 4.000 inches
- Adjustable Pressure Range
- +45.0 to 70.0 pounds per square inch
- Maximum Operating Pressure
- 300.0 pounds per square inch single response
- Nominal Outside Diameter
- 9.000 inches all ends
- Nominal Thickness
- 0.688 inches all ends
- First Connection Face To Centerline Distance
- 5.812 inches
- Bolt Hole Nominal Diameter
- 0.750 inches all ends
- Second Connection Face To Centerline Distance
- 5.812 inches
- Bolt Circle Nominal Diameter
- 7.500 inches all ends
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches all ends
- Raised Face Nominal Diameter
- 6.188 inches all ends
- Material
- nickel alloy seat
- Material Document And Classification
- astm b61 assn std single material response body
- Material Document And Classification
- qq-n-298 fed spec single material response seat
- Material Document And Classification
- qq-n-288 fed spec single material response stem
- Media For Which Designed
- water, salt single response
- Style Designator
- angle flanged ends
- Furnished Items And Quantity
- 1 lever
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 |
|---|---|
| C3458 | Safety Relief Valve |
| C3458PL4158-45T70PSI | Safety Relief Valve |
FAQs
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Does the NSN 4820-01-239-0177 have a Schedule B code assigned?
Does NSN 4820-01-239-0177 require demilitarization?
Does NSN 4820-01-239-0177 contain precious materials?
Does NSN 4820-01-239-0177 contain hazardous materials?
When the NSN 4820-01-239-0177 was assigned to the Federal Catalog?
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