NSN 4820-01-439-5411
Velocity Fuse
About this product
Disk flow control device, inside spring bonnet type, bolted bonnet attachment method, disk loading method: spring.
Manufacturer part number 85500000-DS-G-74893 SH1D for national stock number 4820014395411.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-439-5411.
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MPN or Model
85500000-DS-G-74893 SH1D
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Bolted -
Disk Loading Method
Spring -
Valve Discharge Flow Rate
347.0 gallons per minute -
Bolt Hole Quantity
4 all ends -
End Application
Strategic sealift conversion ships class -
Valve Operation Method
Automatic -
Flange Shape
Round with holes all ends -
Connection Type
Flange all ends -
Valve Size
1.000 inches -
Maximum Operating Pressure
225.0 pounds per square inch single response -
Opening Pressure Setting
60.0 pounds per square inch -
Outside Diameter
5.875 inches 1st end -
Thickness
1.125 inches 1st end -
First Connection Face To Centerline Distance
4.000 inches -
Bolt Hole Diameter
1.000 inches 1st end -
Second Connection Face To Centerline Distance
4.250 inches -
Bolt Circle Diameter
4.000 inches 1st end -
Flange Face Design
Raised straight all ends -
Raised Face Height
0.250 inches all ends -
Raised Face Diameter
2.000 inches 1st end -
Material
Stainless steel seat -
Media For Which Designed
Air single response -
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 4820-01-439-5411 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
85500000-DS-G-74893 SH1D | Pentair Valves & Controls Us Lp |
85500000 | Pentair Valves & Controls Us Lp |
Stock Check
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