NSN 4820-01-389-2217
Velocity Fuse
About this product
Poppet flow control device, spring disk loading method, g46b plain (pipe) all ends connection style, valve operation method: automatic.
Manufacturer part number D-559T1-1M-55 for national stock number 4820013892217.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-389-2217.
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MPN or Model
D-559T1-1M-55
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Thread Direction
Right-hand all ends -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
Maximum Operating Temp
250.0 degrees fahrenheit single response -
End Application
4920-01-216-0455 -
Connection Style
G46b plain (pipe) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded external pipe all ends -
Maximum Operating Pressure
200.0 pounds per square inch single response -
Thread Size
0.125 inches all ends -
Opening Pressure Setting
55.0 pounds per square inch -
Material
Steel comp 316 body -
Media For Which Designed
Gas, inert 3rd response -
Style Designator
Err-090 -
Thread Series Designator
Npt all ends -
Furnished Items And Quantity
1 deflector cap
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Safety Relief Valve
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.
![Mechanic Bill explains Velocity Fuse](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-389-2217 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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D-559T1-1M-55 | Circor Aerospace, Inc. |
Stock Check
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