4820-01-434-6660
Find complete technical information, availability, and procurement data for: 4820-01-434-6660
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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.
4 all ends bolt hole quantity, 500.0 fahrenheit single response maximum operating temp, 18.0 gallons per minute valve discharge flow rate, disk flow control device, spring disk loading 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
- Disk Loading Method
- spring
- Valve Discharge Flow Rate
- 18.0 gallons per minute
- Bolt Hole Quantity
- 4 all ends
- Maximum Operating Temp
- 500.0 fahrenheit single response
- End Item Identification
- supply class aoe
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 1.000 inches
- Adjustable Pressure Range
- +56.0 to 77.0 pounds per square inch
- Maximum Operating Pressure
- 1500.0 pounds per square inch single response
- Nominal Outside Diameter
- 0.500 inches 2nd end
- Nominal Outside Diameter
- 1.000 inches 1st end
- Nominal Thickness
- 0.438 inches 2nd end
- Nominal Thickness
- 0.562 inches 1st end
- First Connection Face To Centerline Distance
- 4.000 inches
- Bolt Hole Nominal Diameter
- 0.625 inches all ends
- Second Connection Face To Centerline Distance
- 4.250 inches
- Bolt Circle Nominal Diameter
- 2.375 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
- 1.375 inches 2nd end
- Raised Face Nominal Diameter
- 2.000 inches 1st end
- Special Features
- incl packing lifting lever
- Material
- rubber seat
- Material
- steel comp 416 stem
- Material
- steel comp 316 body
- Material
- steel comp 316 flow control device
- Media For Which Designed
- fuel/oil, hydrocarbon 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 |
|---|---|
| 77321003 | Safety Relief Valve |
| 9512101D0050 0100 56T77PSI | Safety Relief Valve |
| DS-G-74893 ASSY 77321003 | Safety Relief Valve |
FAQs
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Does NSN 4820-01-434-6660 contain precious materials?
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When the NSN 4820-01-434-6660 was assigned to the Federal Catalog?
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