NSN 4820-01-130-0654
Velocity Fuse
About this product
Max operting pressure and temp,200 lb psi,280 deg f; designed for air,alcohol,ammonia,hydrocarbon fuel/oil,helium,hydrogen,and gaseous nitrogen.
Manufacturer part number D559B-2M-20 for national stock number 4820011300654.
Datasheet
-
Product description
Safety Relief Valve NSN 4820-01-130-0654.
-
MPN or Model
D559B-2M-20
-
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 2nd response -
Connection Style
G46b plain (pipe) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded external pipe 1st end -
Mounting Facility
Threaded fastener -
Adjustable Pressure Range
+0.5/+150.0 pounds per square inch -
Maximum Operating Pressure
200.0 pounds per square inch single response -
Thread Size
0.250 inches all ends -
Opening Pressure Setting
20.0 pounds per square inch -
Material
Rubber butadiene-acrylonitrile class nbr packing -
Media For Which Designed
Hydrogen 5th response -
Style Designator
Err-090 -
Thread Series Designator
Npt 1st end -
Furnished Items And Quantity
1 deflector cap
More from these suppliers
- 4820-00-622-4153 MPN 5349B4PP2700Pressure And Temperature Relief Valve
- 4820-00-810-1596 MPN 119A1PPCheck Valve
- 4820-01-272-8736 MPN D577T1-24D-5Safety Relief Valve
- 4820-01-147-5395 MPN 259B4PPCheck Valve
- 4820-01-420-5231 MPN 5120TP-4TJ-25Safety Relief Valve
- 4820-01-286-8630 MPN 134669Valve Seat
- 4820-01-429-8411 MPN 5159B-2M-FSafety Relief Valve
- 4820-01-467-2951 MPN GD720-724 ITEM 19Flat Valve Diaphragm
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 4820-01-130-0654 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
D559B-2M-20 | Circor Aerospace, Inc. |
411509-4 | Raytheon Company |
Stock Check
![](/public/images/partscage_shelf3.png)
Availability of this NSN has not been updated recently. Submit
the pricing and availbility form above to receive an up to date quote.