NSN 4820-01-407-0942
Velocity Fuse
About this product
Disk flow control device, inside spring bonnet type, integral bonnet attachment method, disk loading method: spring.
Manufacturer part number 20138H01S0056 for national stock number 4820014070942.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-407-0942.
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MPN or Model
20138H01S0056
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Unit Weight (Est.)
14 lb -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Integral -
Disk Loading Method
Spring -
Bolt Hole Quantity
4 all ends -
Maximum Operating Temp
275.0 degrees fahrenheit single response -
End Application
Wasp class lhd -
Valve Operation Method
Automatic -
Flange Shape
Round with holes all ends -
Connection Type
Flange all ends -
Valve Size
0.500 inches -
Adjustable Pressure Range
+56.0/+65.0 pounds per square inch -
Maximum Operating Pressure
500.0 pounds per square inch single response -
Outside Diameter
3.500 inches all ends -
Thickness
0.438 inches all ends -
First Connection Face To Centerline Distance
3.250 inches -
Bolt Hole Diameter
0.625 inches all ends -
Second Connection Face To Centerline Distance
3.250 inches -
Bolt Circle Diameter
2.375 inches all ends -
Flange Face Design
Raised straight all ends -
Raised Face Height
0.062 inches all ends -
Raised Face Diameter
1.375 inches all ends -
Material
Stainless steel stem -
Style Designator
Err-090
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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 4820-01-407-0942 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
20138H01S0056 | Pentair Valves & Controls Us Lp |
20138 ASSY 20138J51SS | Pentair Valves & Controls Us Lp |
20138 | Anderson Greenwood Lp |
20138H01S0056 | Anderson Greenwood Lp |
20138 ASSY 20138J51SS | Anderson Greenwood Lp |
20138J51SS | Anderson Greenwood Lp |
Stock Check
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