S1384 4IN90T140
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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 screw bonnet type, bolted bonnet attachment method, 8 all ends bolt hole quantity, automatic valve operation method, disk flow control device
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 screw
- Bonnet Attachment Method
- bolted
- Bolt Hole Quantity
- 8 all ends
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 4.000 inches
- Opening Pressure Setting
- 300.0 pounds per square inch
- Nominal Outside Diameter
- 11.000 inches 1st end
- Nominal Outside Diameter
- 9.000 inches 2nd end
- Nominal Thickness
- 0.688 inches 2nd end
- Nominal Thickness
- 0.812 inches 1st end
- First Connection Face To Centerline Distance
- 6.250 inches
- Bolt Hole Nominal Diameter
- 0.750 inches 2nd end
- Bolt Hole Nominal Diameter
- 0.875 inches 1st end
- Second Connection Face To Centerline Distance
- 6.250 inches
- Bolt Circle Nominal Diameter
- 7.500 inches 2nd end
- Bolt Circle Nominal Diameter
- 9.500 inches 1st end
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches all ends
- Raised Face Nominal Diameter
- 6.188 inches 2nd end
- Raised Face Nominal Diameter
- 8.500 inches 1st end
- Material
- rubber butadiene-acrylonitrile class nbr flow control device
- Material
- steel body
- Material
- steel comp 303 seat
- Material
- steel comp 303 stem
- 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 |
|---|---|
| C3339 4IN90T140PSI PL4198 | Safety Relief Valve |
| S1384 4IN90T140 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-220-5575?
Does the NSN 4820-01-220-5575 have a Schedule B code assigned?
Does NSN 4820-01-220-5575 require demilitarization?
Does NSN 4820-01-220-5575 contain precious materials?
Does NSN 4820-01-220-5575 contain hazardous materials?
When the NSN 4820-01-220-5575 was assigned to the Federal Catalog?
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